Senate Foreign Relations Committee Chairman Sen. Bob Corker, R-Tenn., left, and the committee's ranking member Sen. Ben Cardin, D-Md. shake hands on Capitol Hill in Washington, April 14, 2015, prior to the start of a committee's meeting to debate and vote on the Iran Nuclear Agreement Review Act of 2015.
Senate Foreign Relations Committee Chairman Sen. Bob Corker, R-Tenn., left, and the committee's ranking member Sen. Ben Cardin, D-Md. shake hands on Capitol Hill in Washington, April 14, 2015, prior to the start of a committee's meeting to debate and vote on the Iran Nuclear Agreement Review Act of 2015. AP
Senate Foreign Relations Committee Chairman Sen. Bob Corker, R-Tenn., left, and the committee's ranking member Sen. Ben Cardin, D-Md. shake hands on Capitol Hill in Washington, April 14, 2015, prior to the start of a committee's meeting to debate and vote on the Iran Nuclear Agreement Review Act of 2015. AP