A federal court in New York handed President Donald Trump a big setback Wednesday, blocking his audacious plan to impose massive taxes on imports from almost every country in the world.

United States and Oregon v. Department of Homeland Security – is quite broad. It argues that the Constitution places fairly strict limits on Congress’s ability to empower the president to impose tariffs in the first place — limits that Trump surpassed — and it reads several federal trade laws to place rigid constraints on Trump’s ability to continue his trade war.