The legal showdown between California Gov. Gavin Newsom and President Donald Trump takes center stage Thursday afternoon in a federal courtroom in San Francisco.

Trump escalated his clash with Newsom after the president deployed thousands of California National Guard troops to quell immigration protests in Los Angeles over the weekend. Newsom said Trump should not have deployed the troops without his permission, while the president has called for the Democratic governor’s arrest.

Gov. Gavin Newsom called President Donald Trump a “dictator.” On Monday, Trump called for Newsom’s arrest. On Tuesday, Newsom’s office posted a mocking video comparing Trump to one of the most evil Star Wars villains.

Los Angeles protests over immigration enforcement have cued up a public spat between President Donald Trump and Gov. Gavin Newsom. Here's some of the back and forth.

After demonstrations erupted in response to federal immigration authorities raids across three locations in Los Angeles, President Donald Trump activated 2,000 California National Guardsmen without the consent of California Governor Gavin Newsom.

Gavin Newsom federal tax threat has taken center stage as the California Governor warns President Trump over possible cuts to federal grants. Newsom says California sends $83 billion more in taxes to Washington than it gets back — and he’s ready to rethink that.

California Governor Gavin Newsom fired back at Donald Trump after CNN reported that the administration was seeking to cut off federal money to the state. “Californians pay the bills for the federal government.

What’s happening right now is very different than anything we’ve seen before,” Gavin Newsom, the Governor of California, said in a speech Tuesday night that was seemingly addressed as much to his own state’s residents as to the nation.