Former Treasury Secretary Lawrence Summers termed President Donald Trump’s use of emergency powers to implement tariffs as “problematic” as the Supreme Court prepares to hear arguments in a case challenging the duties.

The Supreme Court is about to hear oral arguments in a case that sounds like a fight over toy imports but is really about the future of presidential power. On Nov. 5, in the only case being heard on that day,

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.

On Nov. 5, the Supreme Court will hear arguments about President Donald Trump’s IEEPA tariffs. The IEEPA is the 1977 International Emergency Economic Powers Act. This is the authority Trump cites