Pennsylvania Republican U.S. Senate candidate Pat Toomey, left, looks on as Democratic candidate Rep. Joe Sestak, D-Pa., speaks during a debate at the National Constitution Center in Philadelphia, ... more 
Pennsylvania Republican U.S. Senate candidate Pat Toomey, left, looks on as Democratic candidate Rep. Joe Sestak, D-Pa., speaks during a debate at the National Constitution Center in Philadelphia, Wednesday, Oct. 20, 2010. less 
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Associated Press | Photo By Matt Rourke
Wed, Oct 20, 2010 9:17 PM EDT