Former Sen. Bob Kerrey speaks in Omaha, Neb., Wednesday, Feb. 29, 2012. Kerrey said Wednesday he will seek the Democratic nomination for the Nebraska seat he once held, reversing course just weeks ... more 
Former Sen. Bob Kerrey speaks in Omaha, Neb., Wednesday, Feb. 29, 2012. Kerrey said Wednesday he will seek the Democratic nomination for the Nebraska seat he once held, reversing course just weeks after publicly rejecting a run he had called a longshot. Kerrey earlier this month opted out of the race to replace retiring Democratic Sen. Ben Nelson, saying that not running was in his and his family's best interest. (AP Photo/Nati Harnik) less 
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Associated Press | Photo By Nati Harnik
Wed, Feb 29, 2012 6:49 PM EST