The Atlantic published the entire Signal conversation centered on strikes on Houthi militants in Yemen between multiple administration officials and, mistakenly, Atlantic editor-in-chief Jeffrey Goldberg. Paul Rosenzweig, the former deputy assistant secretary for policy at the Department of Homeland Security under President George W. Bush, joins us to give us some context on the scale of the Signalgate scandal and what it would mean under any other president.

And in headlines: Trump announced 25% tariffs on imported cars, the Supreme Court upheld requirements to regulate ghost-guns, and a Democrat defied all odds and flipped a seat in the Pennsylvania State Senate.

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