WASHINGTON, DC - MAY 31: (L - R) Rep. Thomas Massie (R-KY), Sen. Rand Paul (R-KY) and Rep. Justin Amash (R-MI) exit the Senate chamber after Paul spoke about surveillance legislation on the Senate floor, on Capitol Hill, May 31, 2015 in Washington, DC. The National Security Agency's authority to collect bulk telephone data is set to expire June 1, unless the Senate can come to an agreement to extend the surveillance programs. (Photo by Drew Angerer/Getty Images)
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