Personnel changes and recently phoning midlevel officials to angrily demand that they do more to stem the flow of immigrants into this country. Lets start at the white house with nbcs hans nichols. A very, very busy day. Would have been a busy day under normal circumstances and then you have the announcement of the departure of the head of the secret service. What do we know about this . He is a 40year veteran. Pete williams is telling us that alles departure isnt tied to any specific event and certainly not tied to what happened at maralago a few weeks ago when you had the Chinese Nationalist trying to sneak in. We have a new name. James m. Murray. Career secret service official. He has down counterterrorism and fraud cases looking through his background. He appears to be just a career person that is coming through. Now, overlaying all this is what is happening at dhs and there is uncertainty there. Nielsen be out on wednesday and the president announced his intent to have a acting ne