We haven’t heard much about the diplomatic corp. I wouldn’t think they are movers and shakers for the most part. But, I think they get their marching orders from the old guard intelligence agencies.
I have a hunch that some of the diplomat’s being sent back to the US aren’t very excited about returning home at this juncture!
You are right about Foggy Bottom running under the radar. I think this outfit has MUCH power, as it is eyes and ears, and can feed bad info and rumors both ways, meaning to other countries.
Rememeber April Glaspie giving Saddam Hussein a green light to invade Yemen?
I see the intelligence agencies and diplomatic corps as compromised, and running their won country with POTUS more as a figurehead. Trump is not going to with that shit put up.