Kesté Pizza & Vino (Manhattan, N.Y.) • Joe's Gizzard City Café (Potterville, Mich.) • Taste of Belgium (Cincinnati, Ohio) On this trip, old friends are whippin' up new flavors. In Manhattan's Financial District, Guy follows a Triple D alum to his new place to check out old-school pizza and a new level of lasagna. Then, it's back to the south-central Michigan place known for its gizzards - where they're frying everything from burgers to breakfast sandwiches. Plus the Belgian bistro in Cincinna...