Reza Aslan, executive producer of the CBS series "United States of Al," joins CBS News foreign correspondent Roxana Saberi to discuss how the comedy centered around a Marine combat veteran and his former Afghan interpreter is handling the withdraw of U.S. troops from Afghanistan and the fall of the country to the Taliban.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.