Ben Cardin actually said...

I do not deny that this administration or the next administration, whether it is a Democratic or Republican administration, will want to do ...

Failure to impose any consequences on Iran for violations of the U.N. Security Council resolutions and other destabilizing actions sets a ve...

Together we want to work to make sure that Iran does not attain a nuclear weapon capacity.

I see no reason why simply extending existing authority, which could be waived, would be in violation of the agreement.