Gavin Newsom talks with President Donald Trump as First Lady Melania Trump looks on after the First Couple's arrival at Los Angeles International Airport on January 24, 2025.

The lawsuit, which seeks at least $787 million in damages, comes as the California governor adopts an increasingly combative style with the president and his allies.

California Gov. Gavin Newsom is suing Fox News for $787 million, accusing the media outlet of defamation in its coverage of a recent phone call between him and President Donald Trump.