Sen. Rand Paul, R-Ky., is taped up before the start of the 51st Annual CQ Roll Call Congressional Baseball Game held at Nationals Park. The Democrats over the Republicans prevailed 18-5.
Credit: Tom Williams
Sen. Rand Paul (R-KY) listens during a news conference on military sexual assault November 6, 2013 on Capitol Hill in Washington, DC. A bipartisan group of senators are pushing to create an independent military justice system with the 2014 National Defense Authorization Act (NDAA).
Credit: Alex Wong
Sen. Rand Paul (R-KY) delivers remarks while announcing his candidacy for the Republican presidential nomination during an event at the Galt House Hotel on April 7, 2015 in Louisville, Kentucky. Originally an ophthalmologist, Paul rode the Tea Party wave to office in 2010.
Credit: Luke Sharrett
Rep. Thomas Massie (R-KY) listens as Sen. Rand Paul (R-KY) speaks to reporters after exiting the Senate chamber, 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.
Credit: Drew Angerer
Sen. Rand Paul (R-KY) raises his hands in the air while talking about demonstrators who faced militarized police while protesting the shooting of an unarmed African-American teenager by a white police officer in Ferguson, MO, during a Senate Homeland Security and Governmental Affairs Committee hearing about at the Dirksen Senate Office Building on Capitol Hill September 9, 2014 in Washington, DC. In the wake of the Ferguson, MO, police response to the peaceful protests, senators on the committee were critical of the federal grant programs that allow local and state law enforcement agencies to buy armored vehicles, assult rifles, body armor and other military equipment.
Credit: Chip Somodevilla
Senator Rand Paul of Kentucky attends the 141st Kentucky Derby - Unbridled Eve Gala at Galt House Hotel & Suites on May 1, 2015 in Louisville, Kentucky.
Credit: Michael Loccisano
Sen. Rand Paul (R-KY) is questioned by a reporter as he leaves an event at the Iowa GOP Des Moines Victory Office on August 6, 2014 in Urbandale, Iowa. Paul, who is expected to seek the 2016 Republican presidential nomination, was on a three-day eight-city tour of Iowa, the first state to select the presidential nominee.