Who is J.D. Vance? What to know about Trump’s running mate.

The Wall Street Journal has what to know about Trump’s pick for running mate, Ohio Sen. J.D. Vance.  The Atlantic’s David Graham explains Judge Aileen Cannon’s stunning decision to dismiss Trump’s classified-documents case.  NPR follows firefighters in New Mexico as they scramble to save migrants from extreme summer heat.  The AR-15, America’s most popular and despised rifle, is once again at the center of a national crisis. The Wall Street Journal looks at its divisive history.  The San Francisco Chronicle examines how the 2007 baby boom will reshape college admissions in the coming years.  The River Seine isn’t safe for swimming, but Paris’s mayor has nevertheless vowed to “dive in” ahead of the Olympics. The Athletic has the story.  Today’s episode was guest-hosted by Gideon Resnick.