South Dakota Senator John Thune talks with a supporter about his decision to not run for president in 2012 in Sioux Falls, S.D. on Tuesday, Feb. 22, 2011. Thune says he decided not to run for ... more 
South Dakota Senator John Thune talks with a supporter about his decision to not run for president in 2012 in Sioux Falls, S.D. on Tuesday, Feb. 22, 2011. Thune says he decided not to run for president next year after concluding he'd have a difficult time fundraising and that President Barack Obama would be tough to beat. The South Dakota Republican told The Associated Press on Tuesday that he's not as well-known and wouldn't be able to raise as much money as other potential GOP candidates. less 
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Associated Press | Photo By Argus Leader, Devin Wagner
Tue, Feb 22, 2011 6:39 PM EST