The leader of radical Sunni fighters who have made rapid military advances in Iraq is the rising star of global jihad, driven, Islamist fighters say, by an unbending determination to fight for and establish a hardline Islamic state. Abu Bakr al-Baghdadi, commander of the Islamic State in Iraq and the Levant (ISIL), now controls large parts of eastern Syria and western Iraq, a vast cross-border haven for militants in the Sunni Muslim core of the Middle East. Despite his power – and a $10 million U.S. reward for information leading to his capture – little is known about a man who for his own survival has shunned the spotlight. Fighters from ISIL and its rivals who spoke to Reuters praised Baghdadi as a strategist who succeeded in exploiting turmoil in Syria and Iraq’s weak central authority after the U.S. military withdrawal to carve out his powerbase. […]