Who is able to enforce a peaceful settlement in the Middle East?

World leaders meet at the United Nations as tensions in the Middle East are running high.There's consensus on the need to restore calm. But with no sign of the conflict abating, who is able to enforce a peaceful settlement? And can diplomacy really succeed? In this episode: Bassam Haddad, Founding Director, Middle East and Islamic Studies Program, George Mason University. Habib Battah, Founder and Editor-in-chief, Beirut Report.  Brian Finucane, Senior Adviser, U.S. program, International Crisis Group. Host: James Bays  Connect with us:@AJEPodcasts on Twitter, Instagram, Facebook