Supreme Court to decide if Trump can use emergency powers to impose global tariffs, a ruling that could affect billions paid by U.S. importers.

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.

One of the more striking amicus briefs filed in support of the Trump administration comes from two Republican members of Congress: House Foreign Affairs Committee Chairman Brian Mast of Florida and Vice Chairman Darrell Issa of California.

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