FILE - In this Nov. 29, 2012 file photo, former South Dakota Gov. Mike Rounds smiles at a news conference in Pierre, S.D. Rounds is one of five Republicans that have been approved Wednesday, March 26,... more 
FILE - In this Nov. 29, 2012 file photo, former South Dakota Gov. Mike Rounds smiles at a news conference in Pierre, S.D. Rounds is one of five Republicans that have been approved Wednesday, March 26, 2014, to appear on the ballot for the U.S. Senate seat to be vacated by Tim Johnson. Secretary of State Jason Gant approved the nominating petitions which also included one Democrat and one Independent. (AP Photo/Chet Brokaw, File) less 
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Associated Press | Photo By Chet Brokaw, File
Wed, Mar 26, 2014 2:24 PM EDT