The Supreme Court on Wednesday is weighing President Trump’s sweeping tariff agenda in a case that places the future of his signature economic initiative into the justices hands. Arguments kicked off at 10 a.

The conservative Supreme Court seemed skeptical this week of President Donald Trump’s sweeping tariffs, threatening a centerpiece of the White House’s economic agenda.

Trump touted his tariffs as a key factor in making trade deals with other countries and said it would be devastating if they were overturned.