Actor and activist Heather Matarazzo ("Welcome to the Dollhouse," "The L Word," "The Princess Diaries," the upcoming Tina Fey/Amy Poehler comedy "Sisters") visits the studio to chat with Christopher and Eric and answer questions from the Party People. An episode of "Book Talk," broadcast live from Persnickety College, goes embarrassingly awry. And a brand-new advertiser debuts: Who's Cheated?, the board game designed for the person who doesn't actually want to play a board game but still wants their family to think they're participating!