By CHUCK ADAMSON of the Tribune’s staff Published Thursday, February 3, 2005 Cooper County pagans are coming to Columbia this weekend after being refused service in Hannibal. Rose Wise, high priestess administrator of the Ozark Avalon Church of Nature-Wicca, said the Hannibal Inn and Convention Center sent them a letter about 10 days ago saying their retreat planned months ago couldn’t be held there.