Wisconsin Gov. Scott Walker, second from right, walks up to the podium for a test in the Tampa Bay Times Forum at the Republican National Convention in Tampa, Fla., on Sunday, Aug. 26, 2012. (AP ... more 
Wisconsin Gov. Scott Walker, second from right, walks up to the podium for a test in the Tampa Bay Times Forum at the Republican National Convention in Tampa, Fla., on Sunday, Aug. 26, 2012. (AP Photo/David Goldman) less 
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Associated Press | Photo By David Goldman
Sun, Aug 26, 2012 2:32 PM EDT