An Isis fighter in Raqqa in the summer when the jihadis made huge territorial gains in Syria and Iraq Flagging morale, desertion and factionalism are starting to affect the Islamic State of Iraq and the Levant , known as Isis, testing the cohesion of the jihadi force as its military momentum slows. Activists and fighters in parts of eastern Syria controlled by Isis said as military progress slows and focus shifts to governing the area, frustration has grown among militants who had been seen as the most disciplined and effective fighting force in the country’s civil war. The group hurtled across western Iraq and eastern Syria over the summer in a sudden offensive that shocked the world. Isis remains a formidable force: it controls swaths of territory and continues to make progress in western Iraq. But its fighters have reached the limit of discontented Sunni Muslim areas that they […]