Pope Francis, Joe Biden, Mitch McConnell, Kevin McCarthy, John Boehner, Nancy Pelosi,

Pope Francis, center, waves to the crowd on Capitol Hill as he stands, from left, Vice President Joe Biden, Senate Majority Leader Mitch McConnell of Ky., House Majority Leader Kevin McCarthy of Calif., House Speaker John Boehner of Ohio, and Democratic Minority Leader Nancy Pelosi of Calif., as they stand on the Speaker’s Balcony on Capitol Hill, Thursday, Sept. 24, 2015. The Pope addressed a joint meeting of Congress making him the first pontiff in history to do so. (AP Photo/Susan Walsh)