Amid rising Mid East tensions, President Trump calls off a military strike against Iran at the last minute. Now what?

Plus, after a flare-up with frontrunner Joe Biden, the 2020 Democrats play nice - and head south to court a critical voting bloc.

And, Trump 2020 officially kicks off. The reelection strategy: rally the base.

Today's Panel: Julie Hirschfeld Davis with the New York Times, CNN's Kaitlan Collins, Toluse Olorunnipa of the Washington Post, and Bloomberg's Margaret Talev. via Knit