The recent terror attack in St. Petersburg, Russia, is nothing new. Russia has been waging a war on Islamic terrorism for the last 20 years. What started as a homegrown Chechen separatist movement was quickly hijacked by elements of the so-called global Islamist jihad - veterans of the Afghan-Arab mujahedin and affiliates of al-Qaeda. While many commentators in the West were happy to write off the Chechen terrorists as "freedom fighters", Gordon Hahn was one of the first in the West to sound...