President Barack Obama and Republican challenger Mitt Romney face off in front of the cameras for a third and final time on Monday (0100 GMT on Tuesday) near the end of a presidential campaign season marked by a high number of memorable debates.
With 15 days to go until Americans vote on November 6, the two candidates turn to foreign policy for their last encounter at Lynn University in Boca Raton, Florida. The 90-minute event is moderated by Bob Schieffer of CBS.