Republicans had a big day on Monday. Donald Trump picked J.D. Vance as his running mate. Two days after surviving an assassination attempt, he officially became his party’s presidential nominee. And the Republican National Convention in Milwaukee got underway, with a festive mood among the delegates.

The Run-Up is here in Milwaukee for the occasion. In special episodes this week, we’ll tell you what we’re seeing — and what that tells us about Trump’s Republican Party.

To kick things off, Jess Bidgood, who writes the On Politics newsletter, joined Astead to analyze key moments from Night 1.

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