(FILES) In this file photo taken on April 27, 2016 former US Ambassador to Afghanistan Zalmay Khalilzad speaks at the Mayflower Hotel in Washington, DC. Brendan Smialowski / AFP
(FILES) In this file photo taken on April 27, 2016 former US Ambassador to Afghanistan Zalmay Khalilzad speaks at the Mayflower Hotel in Washington, DC. Brendan Smialowski / AFP