Obama calls apology accusation 'biggest whopper' of campaign
Final presidential debate
Credit: Getty Images
BOCA RATON, FL - OCTOBER 22: Republican presidential candidate Mitt Romney listens as moderator Bob Schieffer of CBS speaks during the debate with U.S. President Barack Obama at the Keith C. and Elaine Johnson Wold Performing Arts Center at Lynn University on October 22, 2012 in Boca Raton, Florida. The focus for the final presidential debate before Election Day on November 6 is foreign policy. (Photo by Marc Serota/Getty Images)
