On December 30, 2020, Josh Smith did something most people would consider reckless. He walked away from his job as a journeyman lineman for the power company — a union position, with union pay, in the middle of a pandemic — and bet everything on a knife company he’d been dreaming about for two decades. He was 39 years old. He had a garage, some equipment, and a business name he’d registered 20 years earlier and never used. Four years later, Montana Knife Company did $50 million in revenue. A childhood obsession, a lifelong credential The story doesn’t start in…