There are a zillion things Trump could do to tighten the screws, say 5-10 actions a day, but apparently Mulvaney and everyone else in this Administration is brain dead.
Hell why not just bring Sessions back and let him run things if you are so negligent.
if he could do it by EO the do what he can by EO, but I think must of what you listed would require legislation. Which isn’t going to happen!