2012 United States presidential election
For February, March, and the beginning of April, Rick Santorum was Mitt Romney's main competitor. On April 10, However, with only 11 (primary)  victories to Romney's 23, Rick Santorum announced that he was going to drop out of the race. Buddy Roemer dropped out on February 22nd to run for the nominations of americans elect and the reform party, before ending his campaign completely on May 31.