Sen. Lindsey Graham on Iran talks: “Let’s try a diplomatic solution. I think it’s going to fail”: On “Face the Nation with Margaret Brennan,” GOP Sen. Lindsey Graham said he supports trying diplomacy with Iran, but “I think it’s going to fail,” predicting President Trump’s backup plan will be to take over the Strait of Hormuz. #IranTalks #DiplomaticSolution #LindseyGraham #FaceTheNation #MiddleEast