nikki haley and james mattis who have come out and issued reassurances, sometimes to contradict the president frankly, the comments contradicting the president, particularly on issues such as russia. nikki haley much more forward-leaning in her public statements than the president has been, criticizing russia for interference in the election, its maligned activities abroad. so you hear with her now leaving concern who replaces her and who can those officials and leaders turn to when they have concern about where the u.s. stands on these issues. that's a real concern, wolf, and i have heard it from a number of folks overseas. they will be watching very closely as to who fills her shoes. >> the president says he could make an announcement within the next two or three weeks. we will see if that happens. jim sciutto, thank you very much. joining us now, congressman denny heck. he's a democrat who serves on the house intelligence committee. thank you for joining us. who do you think the president should nominate to replace nikki