[u"Former House Speaker and Republican presidential candidate Newt Gingrich delivers his speech to the crowd on the third day of the 2015 Conservative Political Action Conference (CPAC) at the Gaylord National Resort and Convention Center in National Harbor, Md., Friday, February 27, 2015. This event, which is billed as the nation's largest gathering of conservatives, runs February 25-28, 2015. (Photo by Rod Lamkey Jr. for The Washington Times)", u"Senator Marco Rubio (R-Fla, right) gets an impromptu greeting from Texas Governor Rick Perry (R) as he makes his exit after giving his speech to the crowd on the third day of the 2015 Conservative Political Action Conference (CPAC) at the Gaylord National Resort and Convention Center in National Harbor, Md., Friday, February 27, 2015. This event, which is billed as the nation's largest gathering of conservatives, runs February 25-28, 2015. (Photo by Rod Lamkey Jr. for The Washington Times)"]