This Chart Shows How ISIS Might Threaten Places Beyond Iraq And Syria

As jihadist group Islamic State of Iraq and the Levant (ISIS) takes over vast stretches of Iraq and Syria, policymakers everywhere are wondering whether their countries are at risk. One possible guide to gauging ISIS's potential transnational threat is what happened the last time the group — or at least a former version of it — controlled major portions of Iraq. In an earlier incarnation, ISIS was Al Qaeda's Iraqi franchise. Last year, ISIS's increasing regional ambitions and generally uncon...