Action beyond hitting the Islamic State’s oil revenues with bombs in Syria is needed if the campaign is to succeed, a peace advocacy group said. In September, U.S. President Barack Obama announced a military campaign to take out militants from the Sunni-led terrorist group in control of parts of Iraq and Syria. Now dubbed Operation Inherent Resolve , the campaign has focused on Syrian oil installations controlled by the group calling itself the Islamic State. Paul Kawika Martin, director of advocacy group Peace Action, said the military campaign has so far failed to contain IS. “Instead of methods that are likely to cause more extremism like air strikes to reduce oil revenues, other options include freezing bank accounts of ISIS supporters, negotiating with local villages where oil pipelines are being used and […]