Food safety oversight is largely, but not exclusively, divided between two agencies, the FDA and the USDA. The USDA mostly oversees meat and poultry; the FDA mostly handles everything else, including pet food and animal...

Big food companies make hot dogs with mechanically separated meat (msm) that, as described matter-of-factly by the [USDA], is “a paste-like and batter-like meat product produced by forcing bones with attached edible meat under high...