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.

Immigration raids have fueled days of protests, resulting in hundreds of arrests in Los Angeles as demonstrations have spread across the nation.

A judge temporarily halted the Trump administration’s National Guard deployment in Los Angeles, writing that the federal government did not have the authority to nationalize California’s National Guard. U.S. District Judge Charles Breyer issued the temporary restraining order today after an hourlong hearing in a San Francisco federal court.

California Gov. Gavin Newsom held a formal address Tuesday to the state, blaming President Trump’s deployment of the National Guard late Saturday night after two days