President Donald Trump does not have "the unlimited power to set tariffs on all goods imported from all our trading partners," more than 30 former federal judges told the U.S. Supreme Court on Friday.

In their 21-page amicus brief , the amici identify themselves as "31 former federal judges appointed by presidents of both major political parties." The onetime jurists say they "retain a continuing and abiding interest in preserving the independent role of the federal judiciary."

That role, the brief warns, is threatened by the Trump administration's position in the high-stakes tariffs case currently before the high court.

"They seek to ensure that the separation of powers is respected and that any delegation of legislative power to the President is subject to meaningful judicial review,"

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