Americans can’t get enough of processed corn. They eat it for breakfast, in cereal form, and all throughout the day, snacking on cookies and crackers and chips, often washing it down with soda (sweetened with high-fructose corn syrup, naturally). Premiering at the SXSW Film Festival, “Flamin’ Hot” tells the backstory of Frito-Lay’s insanely popular, ultra-spicy […]