This July 2,2013 photo shows U.S. Sen. Mike Enzi, R-Wyo., speaks to constituents at a senior center in Pine Bluffs, Wyo. Enzi hasn't said yet whether he will seek re-election to the Senate while Liz ... more 
This July 2,2013 photo shows U.S. Sen. Mike Enzi, R-Wyo., speaks to constituents at a senior center in Pine Bluffs, Wyo. Enzi hasn't said yet whether he will seek re-election to the Senate while Liz Cheney, daughter of former Vice President Dick Cheney, has said she's prepared to challenge him in the 2014 Republican primary. (AP Photo/Ben Neary) less 
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Associated Press | Photo By Ben Neary
Tue, Jul 16, 2013 7:45 PM EDT