ISIS commander Tarkhan Batirashvili--aka, "Omar the Chechen"--warns that Russia will soon be targeted by the Islamist group. According to The Moscow Times, "Batirashvili has gained a fearsome reputation throughout the conflict in Syria." Bloomberg News reports that he now seeks "revenge" on Russia over Moscow's support of Syrian President Bashar al-Assad. He gave voice to plans for this revenge while talking on the phone with his father, who lives in Georgia's Pankisi Gorge. He told his father: "Don't worry dad, I'll come home soon and show the Russians... I have many thousands following me and I'll get more. We'll have...