It's not the old town square, and it's not a town hall meeting. But maybe, just maybe, it's the modern equivalent. SW Florida Sound Off is a new Web site, www.cataction.com/forum, that its supporters say is meant to offer a forum for the open exchange of ideas and information and for political debate. The site has seen 230 postings since it was launched a few weeks ago, and has 45 registered members. The site was created by the Community Action Team, a loosely knit collection of civic activists that formed in the wake of government efforts to acquire land in...