The Supreme Court is poised to rule soon on President Donald Trump’s use of an emergency wartime law to unilaterally impose sweeping tariffs on most U.S. countries — and which brought to the fore key questions over the ‘major questions doctrine,’ or the limiting principle by which courts can, in certain circumstances, move to curb the power of executive agencies. During oral arguments over Trump’s tariffs in November, justices honed in on the so-called major...










