ABC News’ Jonathan Karl thought it would be a good idea to ask Harvard Law School graduate Kayleigh McEnany to explain the mechanism by which President Trump can send DHS personnel into U.S. cities at the briefing today. . .

BIG MISTAKE, JONATHAN:

More on that here:

Democrats hardest hit:

And to answer Karl’s question about the part of the Constitution that allows President Trump to do this, here’s George Washington Law Professor Jonathan Turley:

Dems hardest hit, again:

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