Gavin Newsom and the state's Attorney General Rob Bonta will sue President Donald Trump on April 16, seeking an immediate ruling to stop his wide-reaching tariffs, alleging that they're poised to "hurt states,

California Governor Gavin Newsom sued to halt Donald Trump’s tariffs, setting up a high-stakes legal challenge to the president’s landmark effort to overhaul global trade. The state is challenging Trump’s use of emergency powers to enact broad tariffs against Mexico,

Gov. Gavin Newsom on Wednesday announced a lawsuit alleging that President Trump lacks the authority to enact the international tariffs without the support of Congress.