Giusti's (Walnut Grove, Calif.) • Haus Murphy's (Glendale, Ariz.) • Louie's (Fort Worth, Tex.)Guy Fieri takes a seat at the family table; In Arizona, a German restaurant making sauerbraten from scratch; In Northern California, an old saloon serving lamb shanks; And in Fort Worth, a Texas institution where a couple of brothers are dishing up all the classics they grew up with in Illinois.