Saturday, October 20, 2012

Nielsen: 65.6 million watch second debate

NEW YORK (AP) ? With an estimated 65.6 million viewers, the television audience for the second presidential debate between President Barack Obama and Republican Mitt Romney was smaller than the first ? but only slightly.

The Nielsen company said 67 million people watched the first debate a week earlier. Tuesday's town hall style debate at Hofstra University was still seen by more than any of Obama's three debates with John McCain in 2008, and had more viewers than any second presidential debate since 1992.

It was shown live on 10 television networks, with the Spanish-speaking Univision and Telemundo airing it on tape delay. The audience was likely larger when viewing on tablets and other computers is considered, but Nielsen does not have those measurements.

NBC had 13.8 million viewers, more than any other network, with ABC second at 12.5 million, Nielsen said.

Fox News Channel's audience of 11.1 million viewers narrowly missed becoming that network's most-watched telecast ever. The Joe Biden-Sarah Palin debate in 2008 holds that distinction.

CBS had 8.9 million viewers for the debate, CNN had 5.6 million, MSNBC had 4.9 million and the Fox broadcast network had 4.6 million, Nielsen said.

The season's final debate, moderated by Bob Schieffer, will be held next week.

___

NBC and MSNBC are controlled by Comcast Corp.; ABC is owned by The Walt Disney Co.; Fox is a unit of News Corp.; CBS is a division of CBS Corp.; CNN is owned by Time Warner Inc.

Source: http://news.yahoo.com/nielsen-65-6-million-watch-second-debate-223618377.html

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Friday, October 19, 2012

Findings could be used to engineer organs

Findings could be used to engineer organs [ Back to EurekAlert! ] Public release date: 19-Oct-2012
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Contact: LaKisha Ladson
lakisha.ladson@UTDallas.edu
972-883-4183
University of Texas at Dallas

Nanomechanics helps discover basic mechanisms about the geometry of cell, tissue and organ formation

Biologists have teamed up with mechanical engineers from the University of Texas at Dallas in cell research that provides information that may one day be used to engineer organs.

The research, published online in the Proceedings of the National Academy of Sciences, sheds light into the mechanics of cell, tissue and organ formation. The research revealed basic mechanisms about how a group of bacterial cells can form large three-dimensional structures.

"If you want to create an organism, the geometry of how a group of cells self-organizes is crucial," said Dr. Hongbing Lu, professor of mechanical engineering and holder of the Louis Beecherl Jr. Chair at UT Dallas and an author of the study. "We found that cell death leads to wrinkles, and the stiffer the cell the fewer wrinkles."

Organ formation is the result of individual cells teaming with others. The aggregate of the cells and their environment form a thin layer of what is known as a biofilm. These biofilms form 3-D wrinkled patterns.

Senior author Dr. Grol Sel, now at the University of California, San Diego, and his colleagues noticed dead cells under the wrinkle pattern. They teamed with Lu to discover what came first the cells' death or wrinkling. Lu is an expert in nanomechanics measuring forces on small objects.

They found that groups of cells dying together within the biofilm resulted in the formation of wrinkles. They also found that the stiffness of the biofilm affected the formation of wrinkles. This is significant because it lays the foundation for the first theory about building a structure in tissues and organs taking both the biological and mechanical forces into consideration.

"There are ways to control whether a biofilm is soft or stiff, and then you control the wrinkling and the ultimate structure the cells become," Lu said.

Researchers then controlled the location where cells died and were thereby able to create artificial wrinkle patterns, verifying their findings.

All of the research was done on bacteria known as Bacillus subtilis.

"Bacillus subtilis has many aspects that are similar to other cells," Lu said. "If we understand how this process works in bacteria, it can open up the door to higher levels of life."

The next step, Lu said, is to create more organized 3D structures using higher forms of life.

###

Yingjie Du, a doctoral student and Dr. Zhenxing Hu, a postdoctoral research associate in the Erik Jonsson School of Engineering and Computer Science at UT Dallas were part of the engineering team that contributed to this research.

Researchers from UT Southwestern Medical Center, and Universitat Politcnica de Catalunya and Universitat Pompeu Fabra, both in Spain, also contributed.

This research was supported by the National Institutes of Health and James S. McDonnell Foundation.


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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Findings could be used to engineer organs [ Back to EurekAlert! ] Public release date: 19-Oct-2012
[ | E-mail | Share Share ]

Contact: LaKisha Ladson
lakisha.ladson@UTDallas.edu
972-883-4183
University of Texas at Dallas

Nanomechanics helps discover basic mechanisms about the geometry of cell, tissue and organ formation

Biologists have teamed up with mechanical engineers from the University of Texas at Dallas in cell research that provides information that may one day be used to engineer organs.

The research, published online in the Proceedings of the National Academy of Sciences, sheds light into the mechanics of cell, tissue and organ formation. The research revealed basic mechanisms about how a group of bacterial cells can form large three-dimensional structures.

"If you want to create an organism, the geometry of how a group of cells self-organizes is crucial," said Dr. Hongbing Lu, professor of mechanical engineering and holder of the Louis Beecherl Jr. Chair at UT Dallas and an author of the study. "We found that cell death leads to wrinkles, and the stiffer the cell the fewer wrinkles."

Organ formation is the result of individual cells teaming with others. The aggregate of the cells and their environment form a thin layer of what is known as a biofilm. These biofilms form 3-D wrinkled patterns.

Senior author Dr. Grol Sel, now at the University of California, San Diego, and his colleagues noticed dead cells under the wrinkle pattern. They teamed with Lu to discover what came first the cells' death or wrinkling. Lu is an expert in nanomechanics measuring forces on small objects.

They found that groups of cells dying together within the biofilm resulted in the formation of wrinkles. They also found that the stiffness of the biofilm affected the formation of wrinkles. This is significant because it lays the foundation for the first theory about building a structure in tissues and organs taking both the biological and mechanical forces into consideration.

"There are ways to control whether a biofilm is soft or stiff, and then you control the wrinkling and the ultimate structure the cells become," Lu said.

Researchers then controlled the location where cells died and were thereby able to create artificial wrinkle patterns, verifying their findings.

All of the research was done on bacteria known as Bacillus subtilis.

"Bacillus subtilis has many aspects that are similar to other cells," Lu said. "If we understand how this process works in bacteria, it can open up the door to higher levels of life."

The next step, Lu said, is to create more organized 3D structures using higher forms of life.

###

Yingjie Du, a doctoral student and Dr. Zhenxing Hu, a postdoctoral research associate in the Erik Jonsson School of Engineering and Computer Science at UT Dallas were part of the engineering team that contributed to this research.

Researchers from UT Southwestern Medical Center, and Universitat Politcnica de Catalunya and Universitat Pompeu Fabra, both in Spain, also contributed.

This research was supported by the National Institutes of Health and James S. McDonnell Foundation.


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Source: http://www.eurekalert.org/pub_releases/2012-10/uota-fcb101912.php

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Thursday, October 18, 2012

6 Things Your Walk Says About Your Health | Health | iDiva.com

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The secret giveaway to good health is how effortlessly and comfortably you walk. Walking, say experts, involves synchronisation of multiple body parts including the arms, back, pelvis, hips, knees, calves, hamstrings and feet that help steer you forward. A slight glitch in any area can affect your gait. Here?s a quick guide to analysing your health through your walk.

Bouncy gait stiff calf muscles
The landing action of the foot is completed at the toes. At this point, the calf muscles are stretched to propel the body forward. Tight calf muscles are unable to do this. Mobility consultant Chaitanya Shah says, ?Tight calf muscles could be the result of faulty foot landing, wearing high heels regularly or not stretching enough before and after exercising.?

Correct it: Tight calves can cause knee and ankle injuries by altering the way you walk. Try the standing calf stretch ? start by taking a large step forward. Use a wall for balance, if necessary. With the back foot flat on the floor and pointing straight forward, slowly transfer weight onto the front leg until you feel the stretch in the calf of the back leg.

Reduced arm swing lower back problem
You?d have to put a lot more effort to walk if you did not swing your arms, and used only your pelvis and legs to move forward. This is because arm swing improves the economy of motion and grants you a swifter gait by balancing your weight on the legs. Free arm swing is the result of twisting of the upper torso and the pelvis in opposite directions, while walking. Lower back trouble can cause an impediment in this twist, thus reducing the arm swing.

Correct it: Commuters travelling for long hours in local trains and cars, and office goers slouching in their chairs all day, often complain of lower back pain. Shah advises that they take a two-minute break from their desk and walk every 30 minutes. ?Also, extra weight around the mid section pulls the pelvis forward, putting stress on the lower back. Correct your posture and keep your back healthy by exercising regularly,? adds Shah.

Flat gait bunions
Unable to put pressure on your toes after landing your foot results in a flat gait. The reason may be a bunion in your foot. Bunions develop when weight falls unevenly on the joints in your feet. The pressure causes the joint to become unstable and protrude beyond the normal shape of your foot.

Correct it: Shah suggests you wear comfortable footwear to treat bunions. ?Wearing high heels and narrow-toed shoes regularly distributes the body weight unequally across your toes, leading to bunions. I treated a 25-year-old girl who developed bunions because she roamed around in heels. Her condition improved as soon as she started wearing comfy flats.?

Short stride tense hamstrings
When your foot makes contact with the ground, the knee has to be in a straight line with the thigh and the shin bone. Tight hamstring muscles (if you feel tautness at the back of your legs) will leave your knees slightly bent while walking, reducing the length of your stride to half. According to Dr Dilip Nadkarni, orthopedic knee surgeon and sports medicine consultant, tight hamstrings are a result of sedentary lifestyle. ?Prolonged sitting causes the hamstrings to get contracted. They lose their flexibility and can tear with the slightest pull.?

Correct it: People with this condition tend to develop lower back pain. Stretching the hamstrings can help you rid yourself of lower back pain to a large extent. Plus, it will correct your stride. Sit on the floor and straighten your right leg in front of you. Bend the left knee, placing the sole of your left foot against your right inner thigh. Fold over your right leg, keeping your back straight. Hold for 30 seconds, then switch legs.

Slap walking neurological problem
Walking is a function controlled by the brain. To propel you forward, the brain sends and receives thousands of messages through the spinal chord to nerve ends located in the sole of the foot. ?To know if you are walking correctly, listen to the sound of your foot landing. A soft landing without any noise is not only good for your knees and hip joints, but also indicates good brain health,? says Dr Nadkarni.
You should be concerned if you have suddenly started slapping your foot while walking. ?A slapping gait indicates a muscle coordination problem between the brain and nerve ends in the foot.?

Correct it: It?s best if a neurologist is consulted on this one.

Lurching is a sign of Osteoarthritis
If you are taking the weight off one side of the body to clear the opposite foot off the ground (movement resembling an oscillating pendulum), you could have an osteoarthritic knee. The cartilage of the knee joint may get worn out with ageing.

Correct it: Weight loss may correct the lurching and reduce the risk for osteoarthritis in the knees.

Author: Ankit Ajmera

?

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Pls feed us love, not spam, links or abusive words :) Help us keep iDiva a happy place!'); }else{ $("#commentBoxRes").show(); $.post("http://idiva.com/tpl/tplGetcommentadded.php",{"content_id":content_id,"pageval":"1","whichflag":whihcflag},function(data){ //alert(data); $("#showcommentcontent").html(data); $("#commentBoxRes").show(); //$("#Username").val(''); //$("#Useremail").val(''); $("#comment_text").val(''); var nocomments = $('#nocomments_'+16848).val(); //console.debug(nocomments); if( nocomments > 0){ $('#comment_'+16848).html(''); $('#comment_'+16848).html(''+nocomments +' Comments ' ); } var message = comment_text_fb; //alert(message); var article_title = "6 Things Your Walk Says About Your Health"; var article_page_link = "http://idiva.com/news-health/6-things-your-walk-says-about-your-health/16848"; var story_section ="News"; var story_section_url ="http://idiva.com/health/"; var author_name = "TNN"; var author_name_url = "http://idiva.com/author/tnn/102"; var posteddate = "Oct 18th 2012 at 11:33AM" var article_image_path ="http://images.idiva.com/media/content/2012/Oct/walking_style_100x75.jpg"; var attachment = { 'name': article_title, 'href': article_page_link ,'properties' : { 'Filed under': {'text': story_section, 'href': story_section_url}, 'Author ' : {'text': author_name, 'href':author_name_url}, 'Posted On': posteddate, 'caption': '' } ,'media': [{ 'type': 'image', 'src': article_image_path, 'href': article_page_link }] }; var action_links = [{'text':'Idiva', 'href':'http://www.idiva.com/'}]; //FB.Connect.streamPublish(message, attachment, action_links); streamPublish(attachment, 'Idiva', 'http://www.idiva.com/', 'Share idiva.com'); $('#commentSubmit').attr('disabled',''); }); } }); } } else { if($('#UsernameSelector').attr('checked') == true){ var username = 'Anonymous'; } else { var username = jQuery.trim($("#Username").val()); } var useremailid = jQuery.trim($("#Useremail").val()); var comment_parentid = ($("#comment_parentid").val()); var userpassword = ($("#Password").val()); var content_id = ($("#content_id").val()); var whihcflag = ($("#whichcontype").val()); var flag = 0; //alert(username); //alert(useremailid); if (comment_text==""){ errmsg = "Please Enter Your Comment"; $("#comment_text").val('') $('#comment_text').focus(); flag=1; }else if (username=="" || useremailid==""){ errmsg = "Please login to comment."; flag=1; }else if (userpassword == "" || userpassword == "Password"){ errmsg = "Please Enter Password"; $('#Password').focus(); flag=1; } if(flag==0) { //alert("asda"); $('#commentSubmit').attr('disabled','disabled'); $.post("http://idiva.com/2db/comment2db.php",{'login_type':'normaluser','EmailId':useremailid,'whihcflag':whihcflag,'Username':username,"userpassword":userpassword,"content_id":content_id,"comment_parentid":comment_parentid,'comment_text':comment_text},function(data){ data=jQuery.trim(data); if(data=='error'){ $("#showerrorComment").html('User and password did not match.'); $("#showerrorComment").show(); } else if(data=='BadName'){ $("#Username").focus(); $("#showerrorComment").html('Please enter a valid name.'); $("#showerrorComment").show(); } else if(data=='BadWord'){ $("#comment_text").focus(); $("#showerrorComment").html('Whoa... 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Calcium reveals connections between neurons

ScienceDaily (Oct. 17, 2012) ? A team led by MIT neuroscientists has developed a way to monitor how brain cells coordinate with each other to control specific behaviors, such as initiating movement or detecting an odor.

The researchers' new imaging technique, based on the detection of calcium ions in neurons, could help them map the brain circuits that perform such functions. It could also provide new insights into the origins of autism, obsessive-compulsive disorder and other psychiatric diseases, says Guoping Feng, senior author of a paper appearing in the Oct. 18 issue of the journal Neuron.

"To understand psychiatric disorders we need to study animal models, and to find out what's happening in the brain when the animal is behaving abnormally," says Feng, the James W. and Patricia Poitras Professor of Neuroscience and a member of the McGovern Institute for Brain Research at MIT. "This is a very powerful tool that will really help us understand animal models of these diseases and study how the brain functions normally and in a diseased state."

Lead author of the Neuron paper is McGovern Institute postdoc Qian Chen.

Performing any kind of brain function requires many neurons in different parts of the brain to communicate with each other. They achieve this communication by sending electrical signals, triggering an influx of calcium ions into active cells. Using dyes that bind to calcium, researchers have imaged neural activity in neurons. However, the brain contains thousands of cell types, each with distinct functions, and the dye is taken up nonselectively by all cells, making it impossible to pinpoint calcium in specific cell types with this approach.

To overcome this, the MIT-led team created a calcium-imaging system that can be targeted to specific cell types, using a type of green fluorescent protein (GFP). Junichi Nakai of Saitama University in Japan first developed a GFP that is activated when it binds to calcium, and one of the Neuron paper authors, Loren Looger of the Howard Hughes Medical Institute, modified the protein so its signal is strong enough to use in living animals.

The MIT researchers then genetically engineered mice to express this protein in a type of neuron known as pyramidal cells, by pairing the gene with a regulatory DNA sequence that is only active in those cells. Using two-photon microscopy to image the cells at high speed and high resolution, the researchers can identify pyramidal cells that are active when the brain is performing a specific task or responding to a certain stimulus.

In this study, the team was able to pinpoint cells in the somatosensory cortex that are activated when a mouse's whiskers are touched, and olfactory cells that respond to certain aromas.

This system could be used to study brain activity during many types of behavior, including long-term phenomena such as learning, says Matt Wachowiak, an associate professor of physiology at the University of Utah. "These mouse lines should be really useful to many different research groups who want to measure activity in different parts of the brain," says Wachowiak, who was not involved in this research.

The researchers are now developing mice that express the calcium-sensitive proteins and also exhibit symptoms of autistic behavior and obsessive-compulsive disorder. Using these mice, the researchers plan to look for neuron firing patterns that differ from those of normal mice. This could help identify exactly what goes wrong at the cellular level, offering mechanistic insights into those diseases.

"Right now, we only know that defects in neuron-neuron communications play a key role in psychiatric disorders. We do not know the exact nature of the defects and the specific cell types involved," Feng says. "If we knew what cell types are abnormal, we could find ways to correct abnormal firing patterns."

The researchers also plan to combine their imaging technology with optogenetics, which enables them to use light to turn specific classes of neurons on or off. By activating specific cells and then observing the response in target cells, they will be able to precisely map brain circuits.

The research was funded by the Poitras Center for Affective Disorders Research, the National Institutes of Health and the McNair Foundation.

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Story Source:

The above story is reprinted from materials provided by Massachusetts Institute of Technology. The original article was written by Anne Trafton.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Qian Chen, Joseph Cichon, Wenting Wang, Li Qiu, Seok-Jin?R. Lee, Nolan?R. Campbell, Nicholas DeStefino, Michael?J. Goard, Zhanyan Fu, Ryohei Yasuda, Loren?L. Looger, Benjamin?R. Arenkiel, Wen-Biao Gan, Guoping Feng. Imaging Neural Activity Using Thy1-GCaMP Transgenic Mice. Neuron, 2012; 76 (2): 297 DOI: 10.1016/j.neuron.2012.07.011

Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/health_medicine/genes/~3/LANhrdAuJYA/121017131843.htm

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Wednesday, October 17, 2012

Television ? Shows ? N-P | Visual Arts Library Picture Collection ...

Television ? Shows ? N-P

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Taste for Healthy: Cultivate Mental Clarity with Yoga

Greetings wellness lovers! I hope you are having an excellent week!

Today I have a special article for you by guest blogger Valerie Johnston... all about the mental benefits of yoga!?

In college, I discovered the effectiveness of yoga when it came to managing stress... and ever since my first yoga class, it's been an essential element of my multi-weekly well-being routine. :)

Cultivate Mental Clarity with Yoga

By Valerie Johnston, Healthline



Yoga is an ancient discipline that originated in India thousands of years ago. Since the practice of yoga was introduced to the West in the late 19th century, a growing number of people became familiar with the discipline until it exploded in popularity in the 1980s. Over the last few decades, yoga has become a household name and is practiced by people from all walks of life.?? A growing number of people practice yoga as a part of their fitness program. Yoga can be used to increase flexibility, reduce the risk of injury, boost stamina, develop strength, and many other aspects of fitness.? There is also a strong psychological component to yoga. Individuals who suffer from anxiety or depression, for example, may find that they also have difficulty concentrating. Chronic anxiety and depression have a way of causing a mental fog that does not allow a person to think clearly. Other mental health disorders can also reduce brain function and cause cloudy thinking. Even if you don?t suffer from a mental health issue such as generalized anxiety disorder or depression, you may still struggle to maintain mental clarity. In the modern world, many of us are constantly bombarded by information and live busy lifestyles. Yoga gives us a way to slow down and clear our minds. Adopting the Yogic Lifestyle

Developing positive mental health takes a well-rounded approach. Self-acceptance, positive relationships with other people, personal growth, a healthy diet, and regular exercise, including yoga, are all important factors that contribute to improved mental health. Without a healthy balance of these benefits in your life, it can be difficult to maintain mental clarity.

Adopting a yogic lifestyle is easier than ever. There are a number of resources people can use to begin the practice of yoga, no matter where you live. If you have access to a yoga class, this is the best way to gain hands-on experience in the practice. An experienced teacher can show you how to perform poses (asanas) that result in a healthier mind and body. Many people leave yoga classes feeling a dramatically improved sense of well-being and mental clarity. These benefits typically extend into one?s work life, social life, and family life. If you don?t have access to a yoga class near you, there are plenty of helpful DVDs, books, and online resources that will help you get started. If improved emotional well-being and mental clarity are your goals, then look for resources that demonstrate how to perform poses that assist in achieving these objectives. Focused Breathing and Yoga While breathing is a natural instinct for humans, you may be surprised to discover that you do not breathe in a way that optimizes your emotional and physical health. Deep breathing and focused breathing are a common part of yoga practice. Developing proper breathing techniques can have a dramatic affect on your ability to concentrate in any given situation. Proper breathing will also ensure that an ideal amount of oxygen reaches your internal organs and muscles, which will promote your overall fitness.

How often do you reach for distractions in your everyday life? While there?s nothing wrong with listening to an iPod, watching television, text messaging, or using other modern devices, there is a growing addiction to these distractions. Overuse of devices for distraction can cause our mental well-being to become unbalanced, which can lead to memory problems, anxiety, lack of clarity, and other issues. Through the regular practice of yoga and other body-mind techniques, you will be able to achieve higher levels of mental clarity, awareness, lucidity, and emotional wellness. As an added advantage, you will also be able to improve your physical fitness so that you both look and feel increasingly rejuvenated.


Valerie Johnston is a health and fitness writer located in East Texas. With ambitions of one day running a marathon and writing for Healthline.com ensures she keeps up-to-date on all of the latest health and fitness news.

I hope you enjoyed this as much as I did! What's your favorite mental benefit of yoga?

Have a lovely week!!

Xoxo,
Ashley?

Source: http://tasteforhealthy.blogspot.com/2012/10/cultivate-mental-clarity-with-yoga.html

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Face to face: Obama, Romney in crackling debate

HEMPSTEAD, N.Y. (AP) ? An aggressive President Barack Obama accused challenger Mitt Romney of peddling a "sketchy deal" to fix the U.S. economy and playing politics with the deadly terrorist attack in Libya in a Tuesday night debate crackling with energy and emotion just three weeks before the election.

Romney pushed back hard, saying the middle class "has been crushed over the last four years" under Obama's leadership and that 23 million Americans are still struggling to find work. He contended the death of the U.S. ambassador to Libya was part of an unraveling of the administration's foreign policy.

The president was feistier from the outset than he had been in their initial encounter two weeks ago, when he turned in a listless performance that sent shudders through his supporters and helped fuel a rise by Romney in opinion polls nationally and in some battleground states.

When Romney said Tuesday night that he had a five-point plan to create 12 million jobs, Obama said, "Gov. Romney says he's got a five-point plan. Gov. Romney doesn't have a five-point plan. He has a one-point plan. And that plan is to make sure that folks at the top play by a different set of rules."

Obama and Romney disagreed, forcefully and repeatedly ? about taxes, the bailout of the auto industry, measures to reduce the deficit, energy, pay equity for women and health care as well as foreign policy across 90 minutes of a town-hall style debate.

Immigration prompted yet another clash, Romney saying Obama had failed to pursue the comprehensive legislation he promised at the dawn of his administration, and the president saying Republican obstinacy made a deal impossible.

Romney gave as good as he got.

"You'll get your chance in a moment. I'm still speaking," the former Massachusetts governor said at one point while Obama was mid-sentence, drawing a gasp from the audience. He said the president's policies had failed to jumpstart the economy and had cramped energy production.

The open-stage format left the two men free to stroll freely across a red-carpeted stage, and they did. Their clashes crackled with energy and tension, and the crowd watched raptly as the two sparred while struggling to appear calm and affable before a national television audience.

While most of the debate was focused on policy differences, there was one more-personal moment, when Obama said Romney had investments in China.

"Mr. President, have you looked at your pension?" Romney interrupted.

"You know, I don't look at my pension. It's not as big as yours," shot back Obama to his wealthier rival.

Obama noted Romney's business background to rebut his opponent's plans to fix the economy and prevent federal deficits from climbing ever higher.

"Now, Gov. Romney was a very successful investor. If somebody came to you, Governor, with a plan that said, here, I want to spend $7 or $8 trillion, and then we're going to pay for it, but we can't tell you until maybe after the election how we're going to do it, you wouldn't take such a sketchy deal and neither should you, the American people, because the math doesn't add up."

Countered Romney, a few minutes later, "It does add up."

Under the format agreed to in advance, members of an audience of 82 uncommitted voters posed questions to the president and his challenger.

Nearly all of them concerned domestic policy until one raised the subject of the recent death of the U.S. ambassador to Libya in a terrorist attack at an American post in Benghazi. Romney said it took Obama a long time to admit the episode had been a terrorist attack, but Obama said he had said so the day after in an appearance in the Rose Garden outside the White House.

When moderator Candy Crowley of CNN said the president had in fact done so, Obama, prompted, "Say that a little louder, Candy."

Secretary of State Hillary Clinton has taken responsibility for the death of Ambassador L. Christopher Stevens and three other Americans, but Obama said bluntly, "I'm the president, and I'm always responsible."

Romney said it was "troubling" that Obama continued with a campaign event in Las Vegas on the day after the attack in Libya, an event the Republican said had "symbolic significance and perhaps even material significance."

Obama seemed to bristle. He said it was offensive for anyone to allege that he or anyone in his administration had used the incident for political purposes. "That's not what I do."

According to the transcript, Obama said on Sept. 12, "No acts of terror will ever shake the resolve of this great nation, alter that character or eclipse the light of the values that we stand for."

One intense exchange focused on competing claims about whether energy production is increasing or slowing. Obama accused Romney of misrepresenting what has happened ? a theme he returned to time and again. Romney strode across the stage to confront Obama face to face, just feet from the audience.

Both men pledged a better economic future to a young man who asked the first question, a member of a pre-selected audience of 82 uncommitted voters.

Then the president's determination to show a more aggressive side became evident.

"That's been his philosophy in the private sector," Obama said of his rival. "That's been his philosophy as governor. That's been his philosophy as a presidential candidate. You can make a lot of money and pay lower tax rates than somebody who makes a lot less."

"You can ship jobs overseas and get tax breaks for it. You can invest in a company, bankrupt it, lay off the workers, strip away their pensions and you still make money. That's exactly the philosophy that we've seen in place for the last decade," the president said in a scorching summation.

Unable to respond at length because of the debate's rules, Romney said the accusations were "way off the mark."

But moments later, he reminded the national television audience of the nation's painfully slow recovery from the worst recession in decades.

There are "23 million people struggling to find a job. ... The president's policies have been exercised over the last four years and they haven't put America back to work," he said. "We have fewer people working today than when he took office."

Economic growth has been slow throughout Obama's term in office, and unemployment only recently dipped below 8 percent for the first time since he moved into the White House. Romney noted that if out-of-work Americans who no longer look for jobs were counted, the unemployment rate would be 10.7 percent.

Both men had rehearsed extensively for the encounter, a turnabout for Obama.

"I had a bad night," the president conceded, days after he and Romney shared a stage for the first time, in Denver. His aides made it known he didn't intend to be as deferential to his challenger this time, and the presidential party decamped for a resort in Williamsburg, Va., for rehearsals that consumed the better part of three days.

Romney rehearsed in Massachusetts and again after arriving on Long Island on debate day, with less to make up for.

Asked Tuesday night by one member of the audience how he would differ from former President George W. Bush, the last Republican to hold the office, Romney said, "We are different people and these are different times."

He said he would attempt to balance the budget, something Bush was unsuccessful in doing, get tougher on China and work more aggressively to expand trade.

Obama jumped in with his own predictions ? not nearly as favorable to the man a few feet away on stage. He said the former president didn't attempt to cut off federal funding for Planned Parenthood or turn Medicare into a voucher system.

Though the questions were from undecided voters inside the hall ? in a deeply Democratic state ? the audience that mattered most watched on television and was counted in the tens of millions. Crucially important: viewers in the nine battlegrounds where the race is likely to be settled.

The final debate, next Monday in Florida, will be devoted to foreign policy.

Opinion polls made the race a close one, with Obama leading in some national surveys and Romney in others. Despite the Republican's clear gains in surveys in recent days, the president led in several polls of Wisconsin and Ohio, two key Midwestern battlegrounds where Romney and running mate Paul Ryan are campaigning heavily.

Barring a last-minute shift in the campaign, Obama is on course to win states and the District of Columbia that account for 237 of the 270 electoral votes needed for victory. The same is true for Romney in states with 191 electoral votes.

The remaining 110 electoral votes are divided among the hotly contested battleground states of Florida (29), North Carolina (15), Virginia (13) New Hampshire (4), Iowa (6), Colorado (9), Nevada (6), Ohio (18) and Wisconsin (10).

Obama has campaigned in the past several days by accusing Romney of running away from some of the conservative positions he took for tax cuts and against abortion earlier in the year when he was trying to win the Republican nomination.

"Maybe you're wondering what to believe about Mitt Romney," says one ad, designed to remind voters of the Republican's strong opposition to abortion except in cases of rape, incest or when the life of the mother is at stake.

Romney countered by stressing both in person and through his television advertising the slow pace of the economic recovery, which has left growth sluggish and unemployment high throughout Obama's term. Joblessness recently declined to 7.8 percent, dropping below 8 percent for the first time since the president took office.

___

Associated Press writers Julie Pace in New York, Julie Carr Smyth in Columbus, Ohio, and Matthew Lee in Lima, Peru, contributed to this story. Espo reported from Washington.

Source: http://news.yahoo.com/face-face-obama-romney-crackling-debate-030549353--election.html

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