Debunking Comet ISON Conspiracy Theories (No, ISON is Not Nibiru)

Comets always seem to bring 'em out of the wood work. There's a scene from the 1998 movie Deep Impact where the president, played by Morgan Freeman, reveals a terrible truth... the U.S. government has known for over a year that a doomsday comet is headed straight towards Earth, with Hollywood CGI destruction sure to