This Food Fridays is dedicated to Thanksgiving! First, Melissa Clark explains the ins and outs of preparing Thanksgiving dinner. Mollie Katzen talks about her newest vegetarian cookbook and shares tips for a meatless holiday. Then, as Hannukah approaches, Michael Ruhlman praises schmaltz—rendered chicken fat that's an important ingredient in Jewish cooking. And etiquette expert Philip Galanes answers questions and gives advice for surviving the holidays.