With Afghanistan's US-held assets and most foreign aid frozen, the currency in freefall, bank cash withdrawals limited and food prices surging, former Afghan central bank chief Ajmal Ahmady says the Taliban could soon run out of money to run the country. When that happens, they'll have to cut services, so "the Afghan people are undeniably going to be hurt."

Watch his interview with Ian Bremmer on a new episode of GZERO World, airing on US public television starting Friday, September 3. Check local listings.