The White House has been briefed on the Mueller report and "there is significant concern on the president's team about what will be in this report," and "what worries them most is what Don McGahn told the special counsel," @jonkarl reports https://t.co/p9QKxcDdC3 #ThisWeek pic.twitter.com/xkh64AN8iW— This Week (@ThisWeekABC) April 14, 2019