The risk to U.S. troops staying in Afghanistan until Aug. 31

To discuss how evacuations in Afghanistan may be affected by Thursday's attacks, Amna Nawaz speaks to retired Col. Mike Jason, who was a battalion commander in northern Afghanistan, now the interim executive director of Allied Airlift 21, and Lisa Curtis, a former senior director for South and Central Asia on the National Security Council, now a senior fellow at Center for a New American Security.