WASHINGTON — The Supreme Court ruled Friday that President Trump’s sweeping worldwide tariffs are illegal and cannot stand without the approval of Congress.

Wielding the power of judicial review, the US Supreme Court upheld this key tenet of liberal democracy based on the rule of law in its Learning Resources v Trump ruling.

The justices in the 6-3 decision upheld a lower court's ruling that Trump's use of a 1977 law called the International Emergency Economic Powers Act - or IEEPA - did not grant him the power he claimed...