Peggy Post, Emily Post's great-granddaughter-in-law, is today's leading authority on etiquette and the author of a dozen books. She is well acquainted with the dilemmas faced by today's brides, grooms, families, and wedding guests. She's spoken to millions -- at wedding events across the country, in responding to thousands of wedding-related e-mails that come into emilypost.com, and as the wedding etiquette expert for InStyle Weddings magazine and WeddingChannel.com. Peggy also pens monthly columns in Good Housekeeping and Parents magazines. She conducts hundreds of speeches and media interviews annually, and her television appearances include Dr. Phil, Good Morning America, Live with Regis & Kelly, Oprah, the Today show, and The View.