The Smithsonian is filled with wonderful artifacts and exhibits. For lovers of food and food media, the most amazing of them may be Julia Child’s kitchen. We're not talking about a replica or a model of her kitchen. Literally, her entire kitchen lives in the museum - every counter, every knife, every gadget. For Lisa McManus, who leads all the equipment testing at America’s Test Kitchen, it’s like Valhalla. She talked with Managing Producer Sally Swift about Julia’s way with tools.