Rand Paul

0a118dee2b575d13540f6a7067007e2c.jpg

Sen. Rand Paul, R-Kentucky, right, speaks with the media following a round table discussion on school choice with Sen. Rob Portman, R-Ohio, left, at Carpe Diem-Aiken, a tuition-free public charter school, Friday, May 16, 2014, in Cincinnati. (AP Photo/Al Behrman)

a8f6d21c2b565d13540f6a706700ef53.jpg

Sen. Rand Paul, R-Ky, is greeted by students at Carpe Diem-Aiken, a tuition-free public charter school, Friday, May 16, 2014, in Cincinnati, where he participated in a round table discussion on school choice. (AP Photo/Al Behrman)

Republicans Rand Paul.JPEG-034c3.jpg

Kentucky Senator Rand Paul address attendees during the Republican National Committee spring meeting at the Peabody hotel in Memphis, Tenn., on Friday, May 9, 2014. Paul urged members to rethink policies on national security and drug prosecutions (AP Photo/The Commercial Appeal, William DeShazer)

bd0753bf9e2b5211530f6a706700a739.jpg

Sen Rand Paul (R-Ky) speaks at a campaign event for North Carolina Republican Senate hopeful Greg Brannon in Charlotte, N.C., Monday, May 5, 2014. The struggle for control of the Republican Party gets an early voter test in North Carolina, where GOP leaders Mitt Romney and Rand Paul push candidates competing for the right challenge Democratic Sen. Kay Hagan in the November midterm elections. (AP Photo/Chuck Burton)

cd4b61249ee05611530f6a7067003088.jpg

FILE - In this April 23, 2014, file photo, Republican senatorial candidate Thom Tillis responds during a televised debate at WRAL television studios in Raleigh, N.C. The struggle for control of the Republican Party is getting an early voter test in North Carolina, where former presidential nominee Mitt Romney and tea party favorite Rand Paul on Monday, May 5 pushed their own candidates for the right to challenge Democratic Sen. Kay Hagan in November.(AP Photo/Gerry Broome, Pool)