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From the opinion pages of the Wall Street Journal, this is Potomac Watch.

A federal appeals court rules 7 to 4 that President Trump's global emergency tariffs are unlawful,

setting up a showdown at the Supreme Court on the separation of powers.

But is the White House already moving on to other tariff authorities

that might stand a better chance of surviving in court? Welcome, I'm Kyle Peterson with the Wall

Street Journal. We're joined today by my colleagues on the editorial page, columnist Alicia Finley,

and editorial board member Manet Uquay-Brua. Congress has passed multiple laws designating

the president broad authority over trade, but there are still limitations, and the president is no

tariff king. That's the message of the seven to four ruling from the Court of Appeals for the

Federal Circuit on Friday, striking down Trump's tariffs,

including his Liberation DeSalvo under the 1977 International Emergency Economic Powers Act,

or IEPA. Trump, in February, invoked IEPA, citing a supposed fentanyl emergency to put tariffs on

Mexico, Canada, and China.

Then he declared an emergency with regard to the trade deficit to justify tariffs on the rest of the world,

including his baseline of 10%, but up to 50% on Brazil, for example.

Here's a piece of what the federal court appeals court now says. Both the

trafficking tariffs and the reciprocal tariffs are unbounded in scope, amount, and duration. These

tariffs applied to nearly all articles imported into the United States. It goes on to say they

...