Barack Obama

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FILE - In this Oct. 9, 2012 file photo, President Barack Obama speaks The Ohio State University in Columbus, Ohio. It's more than President Barack Obama's lackluster debate performance that has some Democrats on edge a month from Election Day. Party loyalists, both in Washington and in battleground states, are fretting that Obama's campaign has been slow to rebound after Republican Mitt Romney's commanding debate. They're worried that the Democratic ticket isn't aggressive enough in blocking Romney's post-debate pivot to the political center. (AP Photo/Tony Dejak, File)

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President Barack Obama speaks at a campaign event at the University of Miami, Thursday, Oct. 11, 2012, in Coral Gables, Fla. (AP Photo/Carolyn Kaster)

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President Barack Obama speaks at a campaign event, Thursday, Oct. 11, 2012, in Miami. (AP Photo/Carolyn Kaster)

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** FILE ** In this Oct. 11, 2012, file photo President Barack Obama campaigns at the University of Miami in Coral Gables, Fla. (AP Photo/Lynne Sladky, File)

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President Barack Obama greets supporters outside an Organizing for America field office after making calls to volunteers, Sunday, Oct. 14, 2012, in Williamsburg, Va. (AP Photo/Carolyn Kaster)

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President Barack Obama makes phone calls to volunteers at an Organizing for America field office, Sunday, Oct. 14, 2012, in Williamsburg, Va. (AP Photo/Carolyn Kaster)

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President Barack Obama waves as he arrives at the second presidential debate at Hofstra University, Tuesday, Oct. 16, 2012, in Hempstead, N.Y. (AP Photo/David Goldman)

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President Barack Obama listens as Republican presidential nominee Mitt Romney speaks during the second presidential debate at Hofstra University, Tuesday, Oct. 16, 2012, in Hempstead, N.Y. (AP Photo/Eric Gay)

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President Barack Obama and Republican presidential candidate and former Massachusetts Gov. Mitt Romney participate in the second presidential debate at Hofstra University in Hempstead, N.Y., Tuesday, Oct. 16, 2012. (AP Photo/Charles Dharapak)

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Republican presidential nominee Mitt Romney, left, and President Barack Obama walk together at the end of the second presidential debate at Hofstra University, Tuesday, Oct. 16, 2012, in Hempstead, N.Y. (AP Photo/Pool-Shannon Stapleton)

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Republican presidential nominee Mitt Romney passes President Barack Obama during the second presidential debate at Hofstra University, Tuesday, Oct. 16, 2012, in Hempstead, N.Y. (AP Photo/David Goldman)

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President Barack Obama and Republican presidential candidate and former Massachusetts Gov. Mitt Romney participate in the second presidential debate at Hofstra University in Hempstead, N.Y., Tuesday, Oct. 16, 2012. (AP Photo/Charles Dharapak)

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President Barack Obama arrives the White House in Washington early Wednesday, Oct. 17, 2012, following the second presidential debate with Republican presidential candidate Mitt Romney, at Hofstra University in Hempstead, N.Y. (AP Photo/Manuel Balce Ceneta)

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FILE - In this Nov. 12, 2011 file photo, U.S. President Barack Obama, right, meets with Chinese President Hu Jintao at the APEC Summit in Honolulu. In the simplistic narrative of U.S. presidential politics, China is a Hollywood villain, a monetary cheat that is stealing American jobs. But in the debate Tuesday night, Oct. 16, 2012 the one-dimensional caricature offered up by Obama and Republican challenger Mitt Romney obscures the crucial reality of U.S.-China relations: For all the talk about getting tough on Beijing, the U.S. and China are deeply entwined, defying easy solutions to the friction and troubles that beset their relations. (AP Photo/Charles Dharapak, File)

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President Barack Obama speaks with Josie Scholtus of Cedar Rapids, Iowa, as he greets people at the Eastern Iowa Airport in Cedar Rapids, Iowa, Wednesday, Oct. 17, 2012, upon his arrival prior to a campaign stop. (AP Photo / Matthew Putney)

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In this April 30, 2010, file photo, from right, A123 Systems, President and Chief Executive Officer David Vieau, A123 Systems electrical engineer James Fenton and A123 Systems design engineer Antonio Biundo, stand next to President Barack Obama, as he speaks in the Rose Garden of the White House in Washington. Short of cash and hurting from slow sales of electric cars, battery maker A123 Systems Inc. sent its U.S. operations into bankruptcy protection on Tuesday, Oct. 16, 2012, and quickly sold its automotive assets. The filing is likely to stoke the debate in Washington over the Obama administrationÃs funding of alternative energy companies. In 2009, A123 got a $249 million Department of Energy grant to help it build U.S. factories. Republicans have accused Obama of wasting stimulus money on the companies after the failure of politically connected and now-bankrupt solar power company Solyndra LLC, which left taxpayers on the hook for $528 million. (AP Photo/Haraz N. Ghanbari, File)