Rep. Paul Ryan Signals He's Willing To Serve As Next Speaker Of The House [Getty Images]

WASHINGTON, DC - OCTOBER 21: House Ways and Means Committee Chairman Paul Ryan (R-WI) (C) arrives for a House Republican caucus meeting in the U.S. Capitol on October 21, 2015 in Washington, DC. Ryan has said he is willing to be the next Speaker of the House if all House Republicans endorse him for the position. (Photo by Chip Somodevilla/Getty Images)

Getty Images News Chip Somodevilla