Tyra: The Menstrual ShowTracie Egan Morrissey3/18/10 8:00pm133EditPromoteGo to permalinkToday, Tyra dedicated an hour to "menstruation." In September, she made a big deal about dedicating an hour to "periods." What's the difference? Not important! What's important is the difference between "coochie" and "vagina," which one woman asked Tyra today.