California Gov. Gavin Newsom said Wednesday that his state will file a lawsuit challenging President Donald Trump’s authority ...

Gov. Gavin Newsom on Wednesday is expected to announce a lawsuit arguing that President Trump lacks the authority to enact ...

California Gov. Gavin Newsom (D) and Attorney General Rob Bonta (D) announced plans to sue the Trump administration Wednesday ...

The federal lawsuit challenges Trump’s legal authority to impose broad, unilateral trade barriers under the guise of a national emergency.

Governor Gavin Newsom has said President Donald Trump's tariffs are "wreaking chaos on California families, businesses, and our economy." ...

Trump’s tariffs have whipped up historic market volatility and frayed America’s relationships with its allies and trading ...

Republican lawmakers are quietly hoping the Supreme Court will hit the brakes on President Trump’s trade war, which has become a growing political liability for the GOP even with the president’s ...

Gov. Gavin Newsom and AG Rob Bonta say Trump's emergency tariffs illegally harm California, the nation's largest ...

"Presidential authority to unilaterally impose worldwide tariffs, if Congress were to grant it at all, must be granted ...

Two law professors are suing President Trump, the US Department of State, and others over a Feb. 6 executive order imposing sanctions on the International Criminal Court.

California Governor Gavin Newsom and Attorney General Rob Bonta are taking on the Trump administration in a new lawsuit.