Crowds brave the cold to celebrate the parade and tree-lighting ceremony.  The crowd gathered at the Christmas Marketplace in JFK Park to welcome Santa and Mrs. Claus as they made their entrance. (Photo/Jack Ponzoni) As performers lined up near Crescent Field in Lot B, attendees lined Blackwell Street. The scent of warm, fresh popcorn and hot chocolate filled the frosty Monday night air, letting everyone know it was time for Dover's annual Christmas Parade & Tree Lighting ce