A small U.S. town grew a big company. Can it weather the tariff blizzard?

THIEF RIVER FALLS, Minn. — Every few nights, Teri Ivaniszyn jolts awake, her mind racing. She never expected to be a tariff expert, but here she is, keeping a notepad by her bedside for groggy 2 a.m. math on how her company can stay in business. "I wake up in cold sweats about tariffs," Ivaniszyn …