President Trump has successfully ousted a Republican senator who voted to convict him in his impeachment trial five years ago.

After losing his bid for a third term, Louisiana's Bill Cassidy took a thinly veiled swipe at the president last night.

Sometimes it doesn't turn out the way you wanted to, But you don't pout, you don't whine,

you don't claim the election was stolen. You thank the voters for the privilege of representing

the state or the country for as long as you've had that privilege. It's another sign of Trump's

grip on the party, even as his popularity sinks to all-time lows.

Here to unpack this weekend's results in Louisiana and the next big test in Kentucky.

Tomorrow, it's our Politics Monday duo.

Amy Walter of the Koch Political Report with Amy Walter and Tamara Keith of NPR.

It's great to see you both.

Good to hear.

As you well know, Bill Cassidy, yes, voted to convict President Trump in 2021.

Also, he was the deciding favorable vote for Pete Hegg says confirmation, for RFK Jr.

And Amy, as you know, he didn't just lose.

He finished third behind the Trump-backed candidate.

That's Representative Julia Letlow and State Treasurer, John Fleming, who now go to a runoff.

What's the lesson here? Yeah, well, I think there are three ways to get elected right now as a Republican, to win a Republican primary.

Either get endorsed by Donald Trump, don't run against someone who has been endorsed by Donald

Trump, and don't vote to impeach him. There's been one person, one senator, who has been able to go the

opposite of all three of those and still survive. And that's Lisa Murkowski, the senator from Alaska.

She's able to win, she was able to win reelection in 2022 because of the way that they vote in Alaska.

It's an all-party primary, so Democrats and

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