Sen. Bob Corker, R-Tenn., center, and Sen. Jim Risch, R-Idaho, left, at an April 2015 meeting of the Senate Foreign Relations Committee.
Sen. Bob Corker, R-Tenn., center, and Sen. Jim Risch, R-Idaho, left, at an April 2015 meeting of the Senate Foreign Relations Committee. Andrew Harnik AP
Sen. Bob Corker, R-Tenn., center, and Sen. Jim Risch, R-Idaho, left, at an April 2015 meeting of the Senate Foreign Relations Committee. Andrew Harnik AP