Nobody is going to successfully sue McDonalds for making them fat. McDonalds is the hugest food chain in the country and this is a great way to branch out and get brownie points to boot.
Hardees just introduced the most fattening fast food burger ever (Monster Thickburger - two 1/3 pound beef patties, four strips of bacon, three slices of cheese, mayonnaise on a buttered sesame seed bun - 1,400-calories, 107 grams of fat.), go grab 'em and growl
