Matt Drudge has been labeled everything from "the Walter Cronkite of his era" to a "dangerous menace" and the "country's reigning mischief-maker." Political tastes aside, no one disputes Drudge's influence: a single link from his website, The Drudge Report, has the power to move news cycles, shape front pages, and send television producers into a desperate scramble. The internet blogger equipped with no more than a high school...