FILE - This file photo from Sept. 28, 2012 shows United States Senate candidates from Nebraska, Republican Deb Fischer, left, and Democrat Bob Kerrey, during their second debate in

... more 

FILE - This file photo from Sept. 28, 2012 shows United States Senate candidates from Nebraska, Republican Deb Fischer, left, and Democrat Bob Kerrey, during their second debate in Omaha, Neb. With less than a week to go before Election Day, the atmosphere surrounding Nebraska's U.S. Senate race has taken on a frenzied aura as both Fischer and Kerrey push to sway voters. (AP Photo/Nati Harnik, File) less