Marca Bristo, front left, president of the U.S. Internal Council on Disabilities, listens as Sen. John McCain, R-Ariz., center, approaches the microphone next to Senate Majority Whip Richard Durbin of Ill., during a news conference about the Convention of the Rights of Persons with Disabilities, Thursday, July 12, 2012, on Capitol Hill in Washington. (AP Photo/Jacquelyn Martin)