DAYTONA BEACH — When six members of the Halifax Area Advertising Authority board of directors attended a private meeting recently to discuss ideas for improving beachside properties and elevating Daytona Beach’s appeal to visitors, it may have undermined the intent of Florida’s open meetings and public records law, an expert on the law said.  HAAA board members Jim Berkley, Linda Bowers, Samir Naran, John Betros, Steve Farley and Androse Bell attended a private meeting of 16 hotel executives and owners on Sept. 23 at The Plaza Resort & Spa in Daytona Beach. The meeting was organized by Bob Davis, president and CEO of the Lodging & Hospitality Association of Volusia County,…