Gov. Gavin Newsom, who has tussled with Donald Trump over the years, described the president's tariffs as "unlawful."

President Trump’s unlawful tariffs are wreaking chaos on California families, businesses, and our economy — driving up prices and threatening jobs,” Newsom said in a stat

California Gov. Gavin Newsom said Wednesday that his state will file a lawsuit challenging President Donald Trump’s authority to impose sweeping tariffs that have set off a global trade war. The suit will argue that Trump’s use of the International Emergency Economic Powers Act to impose tariffs on Mexico,

The trade conflict between the United States and China intensifies as President Donald Trump escalates tariffs on Chinese imports to 245%. This move, aimed at addressing perceived disrespect from China,

President Donald Trump signed an executive order on Tuesday that launched a national security investigation into the U.S. reliance on imports of critical minerals, after China suspended exports of certain rare earth metals and magnets.