A top prosecutor, Robert E. McGuire, painted an extraordinary picture of senior Justice Department leaders peering over his shoulder and hurrying him along.

Mayor Zohran Mamdani said he and President Trump discussed building housing in New York City, and he appeared to secure the release of a Columbia student detained by ICE on Thursday.

The Pentagon has imposed a Friday deadline over a demand that Anthropic provide unfettered access to its A.I. system without safeguards for military operations.