For the last decade, Richard Montañez has been telling the story of how he invented Flamin’ Hot Cheetos. The world has been eating it up. It goes like this: He was working as a janitor at Frito-Lay’s Rancho Cucamonga plant when he dreamed up a chile-covered Cheeto and believed in himself enough to call up the chief executive to pitch his spicy idea. Corporate backstabbers tried to sabotage Montañez for stepping out of line, but he out-hustled them, driven by a hunger to succeed. Flamin’ Hots became a runaway hit, and Montañez rose through the ranks and became an icon....