States pushing to safeguard 'meat' labeling

The Impossible Burger is becoming a popular plant-based alternative that mimics the taste of meat, and along with other veggie burger products has meat producers on the defensive. Missouri was the first state to pass a law stipulating what kinds of products could use the word "meat" on the label, and now Nebraska, Tennessee, Virginia and Wyoming are exploring similar legislation. Next up: how to define meat protein products grown in labs.