A battle is brewing between the Environmental Protection Agency, which wants to weaken auto emissions standards, and the state of California. Separately, James Comey, the F.B.I. director fired by President Trump, went on national television to call the president “morally unfit.” Guest: Coral Davenport, who covers environmental policy for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.

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