Before the US Congress even gets a chance to vote on the Iran nuclear deal, its critics and defenders are already battling over how it will be implemented.
The agreement's survival was cemented Sept. 8 when three more Democratic senators announced their support, bringing the total to 41, enough to uphold President Barack Obama's veto of congressional attempts to kill it and perhaps to prevent a resolution of disapproval from coming to a vote at all. Only one senator, Maria Cantwell, D-Wash., remains in play.