Robert Ford; Anthony Zinni; Remembering Joan Rivers : Season 24 Episode 5

Former United States ambassador to Syria Robert Ford examines the continuing conflict in Syria and the Obama administration's stance on ISIS. Retired Marine Corps General Anthony Zinni presents his new book, "Before the First Shots Are Fired," which examines U.S. foreign policy and recommends changes. Remembering Joan Rivers, one of America's greatest comedians, with a look back at some of her moments on the show.