It???s a full-on, extended ode to offal that has no real peer in New York, Chicago, Los Angeles and other major cities that pride themselves on their epicurean adventurousness.Feast (219 Westheimer Road, 713-529-7788, feasthouston.com) embraces nose-to-tail cooking so thoroughly that when I ordered amberjack, what I got was the fish???s severed head, not much smaller than my own, with an unblinkin