Was the tariff ruling about procedure or substance?

FedEx is suing the U.S. government for a full refund after the Supreme Court ruled the president lacked authority to impose certain tariffs, and the panel breaks down the $175 billion in refund claims from companies like L’Oréal, Dyson, Prada, and Costco, debating whether the ruling was about process, not legality, and what it means for negotiation leverage, small businesses, and America’s ability to compete with China on national security priorities like semiconductors and rare earths.