Political buttons from past presidential campaigns are seen in a booth at the Conservative Political Action Conference (CPAC) in Oxon Hill, Maryland, March 7, 2014. Thousands of conservative ... more 
Political buttons from past presidential campaigns are seen in a booth at the Conservative Political Action Conference (CPAC) in Oxon Hill, Maryland, March 7, 2014. Thousands of conservative activists, Republicans and Tea Party Patriots gather to hear politicians, presidential hopefuls, and business leaders speak, lobby and network for a conservative agenda, looking to Congressional gains in 2014 and a Republican president in 2016. REUTERS/Mike Theiler (UNITED STATES - Tags: POLITICS SOCIETY) less 
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Reuters | Photo By MIKE THEILER / REUTERS
Fri, Mar 7, 2014 3:41 PM EST