see more

Senator John McCain, a Republican from Arizona, exits the U.S. Capitol after voting on the Senate floor in Washington, D.C., U.S., on Tuesday, July 25, 2017. Senate Republicans agreed to begin floor debate on health-care legislation, a hard-fought step amid uncertainty about exactly what plan senators will ultimately be asked to vote on. Photographer: Andrew Harrer/Bloomberg via Getty Images

Senator John McCain, a Republican from Arizona, exits the U.S. Capitol after voting on the Senate floor in Washington, D.C., U.S., on Tuesday, July 25, 2017. Senate Republicans agreed to begin floor debate on health-care legislation, a hard-fought step amid uncertainty about exactly what plan senators will ultimately be asked to vote on. Photographer: Andrew Harrer/Bloomberg via Getty Images