School is in session and Professor Martha Stewart is your teacher. Learn the basics of cooking from the original Domestic Diva with episodes of "Martha Stewart's Cooking School." Lessons in frying, steaming and much more are on the syllabus. To ensure your "A," don't miss an episode. The marathon begins Saturday, Jan. 12, at 6 a.m., and airs again on Sunday, Jan. 13, at 11 a.m.