MCLEAN, Va., Nov. 7 (UPI) -- The largest newspaper chain in the United States, Gannett Co., based in McLean, Va., has said it will incorporate "citizen journalism" into its papers. The company, which publishes USA Today, the Des Moines Register, the Fort Myers (Fla.) News-Press and other papers, said it would also begin searching for stories at online discussion forums and create online calendar...