Former Mass. Gov. Mitt Romney speaks to attendees of the 37th Annual Conservative Political Action Conference on Feb. 18, 2010, in Washington, D.C. Robert Giroux/Getty Images hide caption

itoggle caption Robert Giroux/Getty Images

"A year later," Palin said, "I gotta ask the supporters of all that, 'How's that hopey, changey thing working out for ya?' " Ed Reinke/AP hide caption

itoggle caption Ed Reinke/AP

Hundreds of attendees paid $549 a ticket for the three-day National Tea Party convention in Nashville, Tenn. Melina Mara/The Washington Post via Getty Images hide caption

itoggle caption Melina Mara/The Washington Post via Getty Images

President Obama, accompanied by first lady Michelle Obama, pays his respects to Capt. Russell G. Seager during a memorial service for shooting victims at Fort Hood, Texas. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP