What we now know about Saturday's mass shooting in Buffalo is chilling.  The white gunman drove 200 miles. He picked his target -- a supermarket in a predominantly Black neighborhood -- and surveilled the store. Authorities say he was motivated by hate, based on a racist creed he allegedly wrote. And, it could have ben worse. Investigators have evidence the shooter planned to continue his rampage at a nearby superstore. CNN's Joe Johns joins the show from Buffalo. 

Also in today's episode: Russia may have lost a third of its combat forces in its war with Ukraine ... the Republican contest a free for all between a surgeon, a tycoon, and a Big Lie believer.

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