When a perfectly crafted, delicious dish appears on your table, it's the result of a lot of behind-the-scenes work and equipment. Three top chefs - Alice Waters, David Bouley, and David Waltuck - reveal some of the secrets of their kitchens, both at work and at home. Also: jazz singer Cassandra Wilson. And on Underreported, find out why Montana's Department of Livestock has been slaughtering many of America's last wild buffalo.