FILE - In this Feb. 20, 2014 file photo, former South Dakota Gov. Mike Rounds talks about his candidacy for the U.S. Senate seat being vacated by Sen. Tim Johnson in Sioux Falls, S.D. The fundraising ... more 
FILE - In this Feb. 20, 2014 file photo, former South Dakota Gov. Mike Rounds talks about his candidacy for the U.S. Senate seat being vacated by Sen. Tim Johnson in Sioux Falls, S.D. The fundraising pace for Mike Rounds' campaign for U.S. Senate slowed during the month and a half leading up to the June Republican primary, but the former governor still has the edge in cash on hand. (AP Photo/DIrk Lammers, File) less 
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Associated Press | Photo By DIrk Lammers, File
Tue, May 27, 2014 10:30 AM EDT