**FILE** Republican Sens. John McCain (right) and Jeff Flake (left), both of Arizona, listen as Sen. Chuck Schumer, New York Democrat, talks prior to a news conference after their tour of the Mexico border with the United States on March 27, 2013, in Nogales, Ariz. (Associated Press)

Photo by: Ross D. Franklin

**FILE** Republican Sens. John McCain (right) and Jeff Flake (left), both of Arizona, listen as Sen. Chuck Schumer, New York Democrat, talks prior to a news conference after their tour of the Mexico border with the United States on March 27, 2013, in Nogales, Ariz. (Associated Press)