of the united states and should have people he trysts, values and whose efforts and judgments benefit him in delivering american foreign policy. president trump has now gone through three national security advisers and says he will name a fourth in the next week. cnn s kaitlan collins is at the white house for us. what else are you learning? reporter: so much going on, brooke. we know the president and john bolton are going back and forth whether or not he was fired or resigned as if they did get into a bitter disagreement last night over that decision that you just talked about. that the president wanted to host leaders of the taliban at camp david, a meeting, of course, scrapped later in the end when the president said because of that suicide car bombing attack, bit we are told as the president was putting those plans together to host them there, john bolton wasn t in washington but in europe on a trip alongside the vice president and he was pushing back against the president, sa