When a government's reach exceeds the authority granted to it, the courts become the ledger where the difference is settled. Following a February Supreme Court ruling that struck down tariffs imposed under emergency economic powers, the Trump administration has returned roughly $100 billion to importers — about 60 percent of the $166 billion collected before the decision. The episode is less an ending than a pivot: sector-specific tariffs survive on different legal grounds, and the administration is already constructing new mechanisms to reassert its trade ambitions. What unfolds is an endurin