Foreign Policy Senators, defying White House, push a new Iran sanctions bill

The bipartisan group of senators say their threat of harsher sanctions will lead Iran to negotiate in good faith to reach a final deal with the international community on the scope of its nuclear program. White House sees the bill as ill-timed.

Susan Walsh/AP/File

A bipartisan group of senators on Thursday introduced legislation, in defiance of the White House, that would hit Iran with new sanctions if it violates the terms of an interim deal reached last month on its nuclear program.