For the past decade, Mary Ann Zoellner has traveled the globe with NBC’s TODAY Show, but it’s her second New York Times Best-Selling book, “Sh*tty Mom” (and its recent sequel, “Sh*tty Mom For All Seasons”) that helped propel her to the top of the mumiverse. Zoellner and her writing partner, with three Emmys of her own and plenty of kids between them, say having it all isn’t a myth if it means having it all on alternating weeks …one filled with vegetables and the next with too many cupcakes.