Vice President Kamala Harris is preparing to travel to Southeast Asia, where the reaction to the Taliban's swift takeover of Kabul is amazement, Southeast Asia Program Director Donald K. Emmerson tells NPR's Southeast Asia Correspondent Julie McCarthy. "That the regime in Kabul could fall so quickly and so thoroughly after 20 years of American support. So the lesson that's being drawn, it seems to me, is not that you can't trust the United States. It's that the United States is incompetent." Listen to the full audio clip above. You can also view the full transcript.