An escalating clash pits a Republican president looking to fulfill his mass deportation goals against a Democratic governor with White House aspirations hoping to mobilize opposition.

Gavin Newsom won praise on Wednesday for his speech Tuesday night seen by a national audience, something many Democrats saw as a shot across the bow to President Donald Trump that they can fight Trump -- and one that sparked new talk of Newsom as the party's standard-bearer in 2028.

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 hosts bill-signing ceremony as nationwide immigration tensions rise DONALD Trump refused to rule out arresting California Governor Gavin Newsom over his handling of the Los Angeles riots. The pair have been trading blows since Newsom slammed Trump's decision to send federal troops into the city to quell immigration raid rioters.

President Donald Trump said the show of force in Los Angeles should serve as a warning that similar demonstrations in other places would not be tolerated.

Newsom's 2028 presidential aspirations hang in the balance as the eyes of the nation are on California's clash with immigration authorities.

Newsom said, "This isn't just about protests here in Los Angeles. When Donald Trump sought blanket authority to commandeer the National Guard, he made that order apply to every state in this nation. This is about all of us." He ominously added ...

President Donald Trump hit back at Gov. Gavin Newsom's claims that the president did not call him recently, showing a screenshot of the call to Fox News.