CommentTrump tariffs' fate tied to Nixon-era case with zipper maker YKK
Yoshida ruling said invocation of emergencies cannot be 'death-knell' for constitution
A court ruling on U.S. President Donald Trump's tariffs was shaped by precedent regarding duties announced by Richard Nixon, left, in 1971 (Source photos by AP)
TOKYO -- A ruling by a U.S. trade court finding much of President Donald Trump's tariff regime illegal, turning a spotlight on the constitutional separation of powers, hearkens back to a case five decades ago in which a Japanese company spurred courts to hit the brakes on a president's trade policy.