How America's Biggest Buffet Chain Cracked the Math of All You Can Eat — WSJ

By Heather Haddon | Photography by Andrew Spear for WSJTo make the economics work for all you can eat meat and potatoes, executives with the Golden Corral buffet chain watch not only what their customers consume, but what they throw away.If a dish isn't well-made, diners will chuck it and load thei…