Republican U.S. Sen. Richard Burr, right, Democratic challenger Elaine Marshal, center, and moderater Judy Woodruff prepares before a Senatorial debate in Research Triangle Park , N.C., Thursday, Oct.... more 
Republican U.S. Sen. Richard Burr, right, Democratic challenger Elaine Marshal, center, and moderater Judy Woodruff prepares before a Senatorial debate in Research Triangle Park , N.C., Thursday, Oct. 21, 2010. less 
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Associated Press | Photo By Jim R. Bounds
Thu, Oct 21, 2010 8:03 PM EDT