Huge chunks of the American population have been body-snatched by zomboid creatures from Canada, or possibly - shudder - Europe. That's the only conclusion one can draw from the latest monumental study from the Pew Center for the People and the Press. OK, it's not the only conclusion you can draw, but it's the one I'm going to draw. I remember being horrified by when I first saw the remake of "Invasion of the Body Snatchers." In the final scene, one of the last remaining normal humans in the city runs up to Donald Sutherland, thinking he's completely normal, too....