Is the Jeopardy IBM Challenge an enormous publicity stunt? Clips on YouTube have already generated hundreds of thousands of hits. And as seen here, more than a dozen television news crews were at a January 13 press conference along with scores of journalists, analysts and bloggers. That's just the beginning. PBS is planning a Nova special entitled "Smartest Machine on Earth: Can a Computer Win on Jeopardy?" But if Watson can't go toe-to-toe with Jeopardy champions, Big Blue runs the risk of exhibiting very red faces.