Rick Perry ended his presidential campaign Sept. 11, but there was $13 million left in the bank of a superPAC supporting him. The superPAC says it's given donors their money back. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

Marine One, with President Obama aboard, lands at a Los Angeles park on Monday as part of Obama's three-day West Coast trip that combined fundraising and official business. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

Yard signs supporting U.S. Senate candidate Richard Mourdock in Columbus, Ind., on April 23. Mourdock went on to beat incumbent Sen. Dick Lugar in a primary race that received national attention, and a flood of money from outside Indiana. Curtis Tate/MCT /Landov hide caption

itoggle caption Curtis Tate/MCT /Landov