There will be no in between on this one. To borrow a line from the Air Force song, to live in fame or go down in flames.If the current culture of the WH persists, he's doomed to fail. The Chief of Staff is the gatekeeper to the president. You go through him to get to the president. Do you think that this will happen? Look at his cabinet and advisors, and let me know how successful you think he can be in that role?
To achieve the rank and position that General Kelly held doesn't come without the knowledge of the staff world. He understands very large, bureaucratic organizations like the military and definitely like unified combatant commands. From what I know about USSOUTHCOM The White House will probably be easy to him . It's just a matter of the rest of them being willing to work with him. If he takes care of business, he will be there a while. Which is more than I can say for Scaramucci