The Supreme Court‘s Wednesday oral arguments over the legality of Donald Trump‘s sweeping “Liberation Day” tariffs pitted the president’s constitutional foreign affairs powers against Congress’s constitutionally delegated tariff power.

Trump invoked the International Emergency Economic Powers Act, or AYEEPA, last spring when he imposed sweeping tariffs of at least 10 percent across all countries. Wednesday, the nine justices heard oral arguments in the case.

Supreme Court justices expressed skepticism about Donald Trump's use of emergency law to impose global tariffs during oral arguments Wednesday.

The president continues to use this once-narrow exception for genuine crises as a routine pretext for government overreach.

The Trump administration is warning that if the Supreme Court were to dismantle President Trump's tariffs, it would cause "unnecessary economic pain and hardship," damaging financial markets and confidence.

After oral arguments it appears the Supreme Court will strike down President Donald Trump's "Liberation Day" tariffs 6-3.

In times of national emergency, should the Supreme Court dictate America's grand strategy and international economic policies? This question confronts

The Iranian Hostage Crisis began on this day in 1969. As CNN reported last week, the International Emergency Economic Powers Act played a role in President Jimmy Carter’s work to resolve the crisis; he invoked IEEPA to explain why he could use “frozen Iranian assets as a ‘bargaining chip.