US General: IS Militants Adapting to Air Campaign

America’s top military commander says Islamic State militants are adapting to a U.S.-led air campaign, making targets in Iraq and Syria harder for coalition forces to identify and eliminate. VOA’s Michael Bowman reports, the chairman of the Joint Chiefs of Staff, General Martin Dempsey, spoke one day after U.S. Defense Secretary Chuck Hagel described the task of defeating the Islamic State group as “difficult” and “complicated.”