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BOCA RATON, FL - OCTOBER 22:  U.S. President Barack Obama debates with Republican presidential candidate Mitt Romney (not seen) 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 Mark Wilson/Getty Images)
BOCA RATON, FL - OCTOBER 22:  U.S. President Barack Obama debates with Republican presidential candidate Mitt Romney (not seen) 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 Mark Wilson/Getty Images)

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    Obama: President has to be clear

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Obama: President has to be clear

Barack Obama talks about Mitt Romney's foreign policy ideas during the third presidential debate.

Obama: President has to be clear

Barack Obama talks about Mitt Romney's foreign policy ideas during the third presidential debate.