Who is the mysterious "Ann" of the episode title, and why has she taken an entire episode for herself? Well, only Tony and Kevin's various failures can say, which they do and will. In any case, "Ann Porter," an artist (from "Sandpoint," "Idaho" (not real places, we understand)) all by herself drives long, scriptish knives into the chilly heart of Vichy America. First up is a word from "Javanka," a pale, off-white coffee from Ivanka and Jared Trump. Next is "Bad Advice" columnist Lydia Loveless,