The dramatic rescue in Afghanistan happened under the cover of darkness. The Taliban were closing in, and Americans were running out of time to save Mohammad Khalid Wardak. The high-profile Afghan national police officer spent years working alongside the U.S. military, and after the fall of Kabul, he went on the run, moving from safe house to safe house, at one point running barefoot to avoid capture. The U.S. and its allies had only minutes to get Khalid, as his friends call him, and his wife and their four young sons to the safety of a waiting helicopter. As part of Operation Promise Kept, the family was whisked away to an undisclosed location in Kabul and then to Kuwait, where Khalid was treated for a wound from a mortar attack. Less than three weeks later, the warrior who once directed resistance against the Taliban from a hospital bed has settled …