Jim Risch actually said...

A particular challenge for U.S. interests in the region is Iran's pursuit of a rudimentary anti-access/area-denial strategy.

I supported it. He did not. But he was quite upset during the new START Treaty debate.

I would like to believe that the administration has recognized that and is not planning on doing any more toward disengagement in the region...

I think if Congress makes very clear that its support for the agreement is conditional on a robust American commitment to the region.