A federal judge cast doubts Thursday on the legality of President Donald Trump’s deployment of the National Guard in Los Angeles, warning that the Trump administration’s contention that the president’s position cannot be second-guessed — even by the courts — evoked the founders’ fear of a monarchy.

A federal judge will hold a hearing on Thursday over California’s request to block the Trump Administration from using troops in Los Angeles to quell unrest sparked by Immigration and Customs Enforcement (ICE) raids as part of the President’s mass deportation effort.