Shortly after a massive terrorist attack in Moscow, Russia, the first unverified claim of responsibility has been made. Initial speculation centered on Chechen rebels or Ukrainians, but according to a post put out by the Amaq News Agency, which is the propaganda wing for ISIS, the terrorist group is saying it carried out the attack. In English: ISIS claims responsibility for the terror attack in Moscow Reports from the scene suggest the men who carried out the attack were bearded and carrying Russian AK-style weapons. That doesn't exactly narrow it down given the proliferation of both throughout the world. Still,...