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 Montañe