Afghan President Hamid Karzai is refusing to sign the U.S. peace agreement that outlines the terms of our 2014 withdrawal. What is he thinking, and how will his actions impact the security of both Afghanistan and America? Omar Samad and Douglas Ollivant, senior fellows at the New America Foundation’s National Security Program, talk with Anne-Marie Slaughter and New America’s managing editor Fuzz Hogan about the future of Afghanistan after the U.S. leaves.