To be sure, it's hideous, gruesome, barbaric and sickening. As James Lewis, a senior fellow at the Washington-based Center for Strategic and International Studies, has argued: "You shouldn't suppress the facts, but you can suppress the image. That's just pornography." And at least one of Foley's relatives asked that it not be shown. Others have also argued that the video shouldn't be shown precisely because the Islamic State wants it to be, hoping to deter President Barack Obama from further action or to recruit jihadists from Europe, America and elsewhere.