The Taliban on Wednesday seized three more Afghan provincial capitals and a local military headquarters in northern Afghanistan. The insurgents now hold some two-thirds of the nation as the U.S. and NATO finalize their withdrawal after decades of war. Bill Riggio, a senior fellow at The Foundation for Defense of Democracies and the editor of their Long War Journal, joins Stephanie Sy to discuss. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders