Provocation ... or pretext?

The Kremlin accuses Ukraine of trying to assassinate Vladimir Putin with a drone attack. Kyiv's response: We don't attack Russia. 

Plus: Migrants prepare to overwhelm the southern border. The Biden administration snaps into action, ordering troops to the border, orchestrating a new deal with Mexico and erecting new processing centers. 

And: The text message that fed the Fox decision to fire Tucker Carlson reveals the anchor rooting for a mob to kill someone ... and borrowing from Jim Crow.

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