Sen. Rand Paul, R-Ky., arrives on Capitol Hill in Washington on Monday. Pablo Martinez Monsivais/AP hide caption
Sen. Rand Paul
Sen. Rand Paul, R-Ky., was reportedly attacked while he mowed the grass at his home in Bowling Green. He's pictured last month in Washington, D.C., after playing golf with President Trump. Brendan Smialowski/AFP/Getty Images hide caption
In an image from Senate video, presidential candidate Sen. Rand Paul speaks on the floor of the U.S. Senate Wednesday afternoon at the start of an almost 11-hour speech opposing renewal of the Patriot Act. AP hide caption
Sen. Rand Paul, R-Ky., listens to a question at the Epoch Restaurant in Exeter, N.H., on March 21. Paul announced his presidential run today in Louisville, Ky. Cheryl Senter/AP hide caption
Sen. Marco Rubio, R-Fla., the son of Cuban immigrants, expresses his disappointment in President Obama's initiative to normalize relations between the U.S. and Cuba, on Wednesday. J. Scott Applewhite/AP hide caption
An officer is reflected in the glass as inmates sit in the Williston, N.D., county jail in July 2013. Andrew Burton/Getty Images hide caption
Republican Sen. Rand Paul of Kentucky testified last year in favor of revamping the nation's mandatory federal minimum sentencing laws. Manuel Balce Ceneta/AP hide caption
Kentucky Sen. Rand Paul could catch a political updraft from President Obama's decision to restrict NSA telephone data collection efforts. Justin Sullivan/Getty Images hide caption
Sen. Rand Paul, R-Ky., in front of the federal district court in Washington, where he filed his lawsuit against the Obama administration and the NSA. Charles Dharapak/AP hide caption
Kentucky's Democratic governor, Steve Beshear, has gotten considerable attention for embracing President Obama's Affordable Care Act and adopting the Common Core educational standards. Roger Alford/AP hide caption
Sen. Rand Paul, R-Ky., is sorry for the plagiarized material in his speeches and op-eds. And he thinks some journalists are just plain sorry. Jose Luis Magana/AP hide caption
Sen. Rand Paul (R-KY) speaks during a rally on Sept. 10 in Washington, D.C. Drew Angerer/Getty Images hide caption
Republican Sen. Ted Cruz speaks to the media Wednesday after delivering a marathon Senate floor speech. Jacquelyn Martin/AP hide caption