Sen. Rand Paul attends 53rd birthday party in Des Moines, Iowa

Sen. Rand Paul (R-KY), 2016 Republican presidential candidate, makes remarks to supporters at his 53rd birthday party at Buzzard Billy's restaurant, January 7, 2016, in Des Moines, Iowa. Paul is running against a large field of GOP candidates, including real estate mogul Donald J. Trump, Florida Sen. Marco Rubio and retired neurosurgeon Ben Carson, ahead of Iowa's first-in-the-nation caucuses February 1. Photo by Mike Theiler/UPI