GOP senators: Congress should vote on Trump's potential Iran nuclear deal

A pair of hawkish, Trump-supporting Senate Republicans say that any "lasting" Iran nuclear deal would need to be approved by Congress, ideally through a two-thirds majority treaty vote. 

But scoring a two-thirds majority in the Senate for treaty ratification would require Iran to fulfill a series of steep demands. In addition to getting rid of all of its enriched uranium and centrifuges, GOP lawmakers say it would need to dismantle its ballistic missile program and cease all support for terrorist groups across the Middle East.

"If they want the most durable and lasting kind of deal, then they want to bring it to the Senate and have it voted on as a treaty," Sen. Tom Cotton, R-Ark., said in response to a question from Fox News Digital. 

"That was one reason why...