[Tonight's prime-time TV is a very active lineup. One of TV's best current series, ABC's "Lost," presents another fresh episode, while NBC's Life, one of that network's best, presents what may be its final gasp. ABC also presents the premiere of a new series, "The Unusuals." But today's guest columnist, Tom Brinkmoeller, shifts our focus to an ABC show, formerly on NBC, that he feels has yet to get its due respect: the veteran medical sitcom "Scrubs"...]