Photo Gallery: The Foundation of Islamic State Power 04/18/2015
 The Islamic State rapidly conquered huge swaths of Syria and Iraq. From afar,...
AP/ Raqqa Media Center

The Islamic State rapidly conquered huge swaths of Syria and Iraq. From afar, the group appears to be made up of religious fanatics and Islamist extremists. But a former senior Iraqi officer named Haji Bakr planned the group's siege in Syria. His plan was cool and calculating.