President Donald Trump is waging a trade war without getting approval from Congress: He declared a national emergency to slap ...

Five U.S. businesses challenge Trump's tariffs in court, contesting the president's national emergency declaration as an ...

The case argues that Trump lacks authority under the International Emergency Economic Powers Act to impose the tariffs he ...

President Donald Trump’s sweeping tariffs are an “unprecedented and unlawful expansion” of executive power, a lawyer for a ...