Comment by wavemode
7 hours ago
If there were some mundane reason for the shutdown (e.g. ATC staffing, or volcanic ash) it wouldn't be a secret, and if there were an emergency (one severe enough to ground all aircraft for so song) we would've heard or seen something.
Occam's Razor says, this order came down from Trump. If that's the case, only question remaining would be what is he planning.
Well, if the only comparable antecedent is closing American airspace after 9/11, and that order came down from Bush, it seems reasonable to suppose that this order came down from Trump.
As for why? No clue.