There goes all of last night's mainstream talking points...
Bolton's tweets were a bit ominous.
We may have just received a small preview of what Bolton's possible impeachment testimony will look like.
Judging by the preliminary reactions from Capitol Hill, O'Brien's appointment is a home run.
President Donald Trump needs a national security adviser and he should consider national security expert Van Hipp for the position.
For his art, Bolton pointedly noted to Washington Post reporter Robert Costa that he resigned.
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