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 | Republican presidential candidate John McCain stands at his podium during the Republican Debate at Drake University in Des Moines August 5, 2007. click to open  |  | Republican presidential candidate Rep. Duncan Hunter, R-Calif., writes a note prior to the ABC News Republican presidential debate at Sheslow Auditorium on the campus of Drake University in Des Moines, Iowa, Sunday, Aug. 5, 2007. click to open |  | Republican presidential hopeful former New York city Mayor Rudy Giuliani smiles at the end of the ABC News Republican presidential debate, Sunday, Aug. 5, 2007, at Drake University in Des Moines, Iowa. click to open |  | Republican presidential hopeful former Massachusetts Gov. Mitt Romney and his wife Ann make their way through the crowd at the end of the ABC News Republican presidential debate, Sunday, Aug. 5, 2007, at Drake University in Des Moines, Iowa. click to open |  | Republican presidential hopeful Sen. Sam Brownback, R-Kan., center, makes his way through the crowd at the end of the ABC News Republican presidential debate, Sunday, Aug. 5, 2007, at Drake University in Des Moines, Iowa. click to open |  | Republican presidential candidate Mitt Romney applauds during the Republican Debate at Drake University in Des Moines August 5, 2007. click to open |  | Republican presidential candidates ready themselves prior to a debate at Drake University in Des Moines August 5, 2007. Republican presidential contenders waded into a Democratic foreign policy row on Sunday, and argued over how far the United States should go in striking terrorist targets abroad. click to open |  | Republican presidential candidates ready themselves prior to a debate at Drake University in Des Moines August 5, 2007. click to open |
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