US President Barack Obama and Republican Presidential candidate Mitt Romney participate in the third and final presidential debate, moderated by Bob Schieffer (C) of CBS, at Lynn University in Boca Raton, Florida, October 22, 2012. The showdown focusing on foreign policy is being held in the crucial toss-up state of Florida just 15 days before the election and promises to be among the most watched 90 minutes of the entire 2012 campaign. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP via Getty Images)
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AFP SAUL LOEB