America's rapprochement with Cuba has changed international diplomacy and domestic politics. Could Iran be next? President Obama recently told NPR that Iran has "incredible talent and resources and sophistication" — if it could "break through its isolation." President Hassan Rouhani recently took on his country's hardliners in a speech of "jaw-dropping boldness." That has some diplomats and reporters talking about a nuclear deal that could be a game-changer. Is that wishful thinking? Would Congress and America's allies, including Israel, find it unacceptable?