Annual Conservative Political Action Conference (CPAC) Held In D.C. [Getty Images]

NATIONAL HARBOR, MD - MARCH 07: Sen. Rand Paul (R-KY) wave after addressing the Conservative Political Action Conference at the Gaylord International Hotel and Conference Center March 7, 2014 in National Harbor, Maryland. The CPAC annual meeting brings together conservative politicians, pundits and their supporters for speeches, panels and classes. (Photo by Chip Somodevilla/Getty Images)

Getty Images News Chip Somodevilla