Excerpt - Just who is ParkRidge47 – the mystery figure who introduced an Internet political attack ad that has stirred the press and political junkies tuned into the early presidential campaign – and what does the videomaker have against Democratic front-runner Sen. Hillary Rodham Clinton? The political question of the week is the identity of the anonymous person who reworked the classic 1984 ad introducing the Apple Macintosh computers to the world into a biting attack piece against Clinton – and posted it on the popular YouTube Web site. The video portrays "Hillary 1984" as an ominous Big Brother figure...