Marco Rubio actually said...

the reason the compliance issue is so important, in particular to me, is because I think the American public, besides a Member of Congress, ...

I do not support unilateral reductions by the United States as an effort of good will to the world.

I hope that you agree, that the public has a right to know whether or not the U.S. Government believes that Russia is in violation or of non...

While it is not being considered today, it is something that could potentially be considered in the future.