A.M. Edition for May 11. The U.S. government has formally ended its pandemic crisis response. WSJ reporter Sabrina Siddiqui and editor Jonathan Rockoff explain what changes are in store as testing and surveillance lose some federal support. Plus, the Biden administration targets power plants with tough new emissions rules. And Donald Trump urges Republicans to risk a U.S. default in order to win spending cuts. Luke Vargas hosts.

Correction: An earlier version of this episode incorrectly said ChatGPT was owned by Microsoft. It is owned by OpenAI, which is backed by Microsoft. (Corrected May 11)

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