Full transcript of "Face the Nation with Margaret Brennan," June 28, 2026

On this "Face the Nation with Margaret Brennan" broadcast, moderated by Margaret Brennan: Sen. Bill Cassidy, Republican of LouisianaSen. Tim Kaine, Democrat of VirginiaJan Crawford, CBS News chief legal correspondent Click here to browse full transcripts from 2026 of "Face the Nation with Margaret Brennan." MARGARET BRENNAN: I'm Margaret Brennan in Washington.And this week on Face the Nation: The fragile detente between the U.S. and Iran is disrupted. And tensions over the war with Iran explode between President Trump and the Republican senator that he worked to defeat.Following a Capitol Hill shouting match between President Trump and Louisiana Republican Bill Cassidy over the senator's vote against the war with Iran, we spoke exclusively with Cassidy about that exchange, his relationship with the president and his thoughts on the administration's health policy agenda as Cassidy wraps up his Senate career.(Begin VT)MARGARET BRENNAN: You have said that Secretary Kennedy broke promises to you.

SENATOR BILL CASSIDY (R-Louisiana): It's pretty clear.MARGARET BRENNAN: Do you think you just made those promises to win your vote, that it was just political expediency?SENATOR BILL CASSIDY: Easy to surmise.(End VT)