COLUMNS
The Purpose of Presidential Debates
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Oct 24, 2012 | 09:00 GMT
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U.S. President Barack Obama (R) debates with Republican presidential candidate Mitt Romney as moderator Bob Schieffer (L) of CBS looks on at the Keith C. and Elaine Johnson Wold Performing Arts Center at Lynn University on October 22, 2012 in Boca Raton, Florida.
(Marc Serota/Getty Images)
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