On the first day of the Republican National Convention, Donald J. Trump chose his running mate: Senator J.D. Vance of Ohio.

We watched the process unfold in real time in Milwaukee.

Michael C. Bender, who covers Mr. Trump and his movement for The Times, takes us through the day.

Guest: Michael C. Bender, a political correspondent covering Donald J. Trump and his Make America Great Again movement for The New York Times.

Background reading:

What to know about J.D. Vance, Mr. Trump’s running mate.
Mr. Trump’s decision to pick Mr. Vance signals concern for the future of his MAGA movement.

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