After the Trump administration’s punishing tariffs were invalidated, the president said he would impose new tariffs using a different authority. It’s been a whirlwind.
Here’s what has happened since Friday:
The court’s 6-3 decision determined that Mr. Trump exceeded his authority in imposing the levies.
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Chief Justice John G. Roberts Jr. wrote for the majority that the 1970s emergency statute that Mr. Trump invoked to bypass Congress did not allow him to unilaterally impose the duties.


