Once again, Trump’s aggressive, scattershot use of executive power has pushed us into new constitutional territory.

A legal argument that the US Supreme Court used to foil Joe Biden on climate change and student debt now looms as a threat to President Donald Trump’s sweeping tariffs.

Are President Trump’s global tariffs of "vast economic and political significance?" The answer could make or break the administration’s chance to keep the president’s “Liberation Day” tariffs in force as legal challengers try to undo them — especially if the dispute eventually reaches the Supreme Court.