The Rachel Maddow Show 09/18/15

Iran, Russia, Syria in tumult of world news

Rachel Maddow reports on the desperate refugee crisis in Europe as calls grow for the U.S. to take as many as 100,000 refugees and Russia moves military resources to Syria, prompting talks with U.S. military leaders, and reports that Iran has traded high level al Qaeda prisoners for a captured Iranian diplomat has officials urgently seeking details. ... more Duration: {{video.duration.momentjs}}