MTP NOW Aug. 15 — Mar-a-Lago investigation momentum; Alaska & Wyoming primaries; WH midterm travel

NBC News correspondent Carol Lee reports that the Trump White House staff was “caught off guard” and unprepared to move out of the White House, leading to a chaotic exit without a lot of planning. Alaska is set to use ranked-choice voting for the first time in Tuesday’s primaries and special election, with all four House candidates from different parties facing off in one race. Ali Vitali reports. Donna Edwards, Michael Steele and Marianna Sotomayor join the Meet the Press NOW roundtable. Afghanistan marks one year since the Americans withdrew. Krish O’Mara Vignarajah discusses efforts to support Afghan evacuees.