Incumbent Sen. David Vitter, R-La., right, and Louisiana senatorial candidate, Rep. Charlie Melancon, D-La., prepare for the start of their debate at the WWL television studios in New Orleans, ... more 
Incumbent Sen. David Vitter, R-La., right, and Louisiana senatorial candidate, Rep. Charlie Melancon, D-La., prepare for the start of their debate at the WWL television studios in New Orleans, Thursday, Oct. 28, 2010. less 
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Associated Press | Photo By Patrick Semansky
Fri, Oct 29, 2010 2:41 AM EDT