Supreme Court Rules Most of Trump’s Tariffs Are Illegal

The Supreme Court on Friday struck down President Donald Trump’s emergency tariffs, dealing a sharp blow to the centerpiece of his economic agenda and setting firm limits on how far presidents can go in using emergency powers to reshape global trade.

In a 6-to-3 decision that cut across ideological lines, the Justices ruled that Trump lacked the authority to impose sweeping import taxes by claiming a national emergency. The ruling immediately invalidates a broad set of tariffs that Trump imposed last year on nearly all imports...