Summary: <p>Russia arrests dozens after suicide bombings just weeks ahead of the winter Olympics. Fighting in South Sudan escalates while diplomats gather in Ethiopia to press for a cease-fire. Secretary of State John Kerry returns to Israel for Middle East peace talks. Two deadly bombs shake Beirut as factional tensions rise in over the war in Syria. Lebanon and Syria fire on each other in hills used by Syrian rebels and refugees. And the U.S. says an agreement on implementing limits on Iran's nuclear program is almost finalized. A panel of journalists joins Diane for analysis of the week's top international news stories.</p>
