Rep. Thomas Massie, a Republican critic of Trump, faces a primary challenge today. Amy Walter of the Cook Political Report joins to discuss how the president’s falling approval ratings are affecting some primary races.

In response to an Ebola outbreak, the U.S. has temporarily barred foreign travelers from entry if they’ve been to Congo, Uganda, or South Sudan recently. Helen Branswell of Stat breaks down the international response to the outbreak.

Elon Musk lost his lawsuit against OpenAI’s Sam Altman. The Verge’s Elizabeth Lopatto explains what the decision means for the AI landscape.

Plus, three people were killed in a shooting at a San Diego mosque, why Trump set up a fund to compensate political allies, and how airplane repo men are collecting Spirit Airlines jets.

Today’s episode was hosted by Gideon Resnick.