Donald Trump wanted regime change in Iran and to personally choose who the next leader would be.  Instead, Iran’s top clerics chose Mojtaba Khamenei to succeed his father, Ayatollah Ali Khamenei, after he was killed in US-Israeli strikes. Today, Barbara Slavin, a distinguished fellow at the Stimson Centre on what this appointment means for the war. Featured:  Barbara Slavin, distinguished fellow at the Stimson Centre in Washington D.C.