Weeks of U.S. Strikes Fail to Dislodge ISIS in Iraq By DAVID D. KIRKPATRICK and OMAR AL-JAWOSHY SEPT. 22, 2014 BAGHDAD After six weeks of American airstrikes, the Iraqi governments forces have scarcely budged the Sunni extremists of the Islamic State from their hold on more than a quarter of the country, in part because many critical Sunni tribes remain on the sidelines.