FILE – In this Jan. 16, 2013, file photo, state Rep. Joe Carr holds a news conference in Murfreesboro, Tenn. Carr announced on Tuesday, Aug. 20, 2013, that he will challenge incumbent Lamar ... more 
FILE – In this Jan. 16, 2013, file photo, state Rep. Joe Carr holds a news conference in Murfreesboro, Tenn. Carr announced on Tuesday, Aug. 20, 2013, that he will challenge incumbent Lamar Alexander for the Republican U.S. Senate nomination in Tennessee. (AP Photo/Erik Schelzig, File) less 
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Associated Press | Photo By Erik Schelzig, File
Tue, Aug 20, 2013 10:01 AM EDT