Council on Foreign Relations Fellow Kim Barker and Foreign Affairs Managing Editor Gideon Rose preview major world events in the week ahead.

In this week's podcast: climate talks conclude in Copenhagen; the British confectioner Cadbury responds to the hostile takeover bid by the U.S. food giant Kraft; Turkish Prime Minister Recep Tayyip Erdogan chairs his country's delegation to a Turkish-Arab forum in Damascus; and the Vatican celebrates its so-called midnight Mass at 10:00 PM.