Hours after a federal judge sided with Gov. Gavin Newsom over Donald Trump's deployment of the National Guard in Los Angeles, an appeals court has blocked the ruling.

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.

California Governor Gavin Newsom offered some cutting words on social media for President Donald Trump Thursday as he battled to retain command of the state’s National Guard. He might have spoken too soon.

U.S. Sen. Alex Padilla, D-Calif., was unable to get off his a question for Secretary Kristi Noem when officials shoved him out of the room as he screamed “hands off!”. In this Nov. 2, 2018, file photo, then-California Secretary of State Padilla speaks in San Francisco. (AP Photo/Eric Risberg, File) AP

Trump has been openly feuding with California Gov. Gavin Newsom over the past several days over Trump's decision to deploy the National Guard in Los Angeles in response to ongoing anti-ICE protests in