Ambassador Khalilzad on a 'hopeful place' for Afghan peace
The government of Afghanistan and the Taliban are in the early stages of negotiations representing the most significant attempt yet to deliver peace. Zalmay Khalilzad, the U.S. special envoy for Afghan reconciliation, signed an agreement with the Taliban in February that led to the talks. But violence between the government and the Taliban remains high. Khalilzad joins Nick Schifrin to discuss.