<h1>Presidential Tariff Power Challenged: Governor Argues Unilateral Trade Restrictions Exceed Executive Authority and Harm State Economic Interests</h1> California's governor announced a lawsuit challenging presidential tariff authority, arguing the imposition of broad tariffs on multiple countries is unlawful. The legal action will contend that such tariffs require congressional approval and cause significant economic damage. Filed in federal court, the lawsuit seeks to immediately block tariffs that allegedly inflate costs and threaten state economic interests, particularly impacting manufacturing and agricultural exports.