What the judge rules, and the likely appeals that follow, may alter decades of understanding about the roles of governors and the White House in quelling domestic unrest.

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Those actions would be in line with what Trump pledged during last year’s campaign, when as a candidate he promised the largest mass deportation effort the U.S. has seen, and said he would be willing...

Gavin Newsom's motion for a temporary restraining order that would limit the activities of 4,000 National Guard members and 700 Marines to protecting federal buildings in a small area of downtown where most of the protests have taken place.

Mayor Karen Bass issued a curfew for downtown Los Angeles on Tuesday “to stop the vandalism, to stop the looting.”

Democratic Gov. Gavin Newsom asked a court to put an emergency stop to the military helping federal immigration agents, with some guardsmen now standing in protection around agents as they carried out...