Supporters cheer as US President Barack Obama speaks during a campaign rally at the Delray Beach Tennis Club, October 23, 2012 in Delray Beach, Florida. Barack Obama and Mitt Romney took their head-to-head battle for the US presidency to key swing states Tuesday after a feisty but inconclusive final debate. Post debate polling showed Obama winning Monday night's faceoff but analysts said Romney, who adopted more dovish-sounding foreign policy prescriptions that differed little from the president's, may have been helped by the encounter. "The fact that Mr Romney was able to show himself to not be the dangerous, wild conservative that Obama has been trying to portray him as, that may help him," said Christopher Arterton, a political science professor at George Washington University.
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