An Italian Christmas Eve. A Mexican-American Christmas Day. A Chinese New Year. A Passover Seder. Four holidays, four very different tables and traditions. Join celebrity chef and culinary author Lidia Bastianich as she travels across America in a celebration of culture through food in the new PBS prime-time special, "Lidia Celebrates America": Holiday Tables and Traditions, airing Tuesday, December 20, at 8pm on PBS. (Source: PBS)