The U.S. Supreme Court will hear arguments Wednesday over President Donald Trump’s sweeping tariffs, putting a tool at the center of his economic and foreign policy agendas squarely before the high co...

Donald Trump’s signature economic initiative appears to be on the ropes following oral argument at the Supreme Court on Wednesday.

The outcome has vast implications — for the global economy, American businesses, the government’s budget and consumers, not to mention implications for the separation of powers of the federal governme...