Can you remember visiting a buffet when you were young? It represented a vast stretch of freedom to load up your plate with whatever you wanted. When you're an adult, though, you start asking questions. Are you eating your money's worth? Did that kid really just stick his fingers in the mashed potatoes? Why is everything so sticky? There's a good chance it's been a while since you've been to a buffet, and suspiciously sticky utensils aren't the only reason. So many people are skipping buffets that this sector of the industry is declining — more than you might...