At first everyone thought they were just blowing smoke, but the debunking of a Reuters photograph by a group of Web sites has launched a fiery online war in which bloggers have taken on the mainstream media. Bloggers, or writers on web logs, were the first to reveal that a Reuters photograph depicting plumes of black smoke rising over Beirut was doctored to enhance smoke above the city. The Web site www.LittleGreenFootballs.com is credited with first revealing the scandal, which has been dubbed Reutersgate, but the affair has spread far wider than the Reuters News Agency and into several of...