Elon Musk is racing to perfect an AI model, just as teams of his young associates are gaining access to some of the nation’s most sensitive and closely guarded databases through the Department of Government Efficiency.

DOGE has swept through federal agencies since Trump began his second term as president last month. Musk, chief executive of carmaker Tesla, was put in charge of rooting out what t

A handful of Democrats once sounded open to working with the tech billionaire. His wrecking ball to the federal government has made them question that.