JOHN FUND ON THE TRAILBeantown Becomes BlogtownAt the Democratic convention, online journalism arrives. Monday, July 26, 2004 12:01 a.m. BOSTON--It isn't news that more than 15,000 journalists are descending on this city to cover the Democratic convention. What is news is that for the first time several dozen political bloggers will receive media credentials to report on the event. Pay attention to these savvy computer mavens, for their postings are one of the most interesting ways in which the Internet is empowering people and shaping political coverage. Blogs--short for Web logs--are online journals that combine running commentary with...