What the West really needs to take on the Islamic State is ... a jobs program. That's what a top State Department spokeswoman suggested when asked in a TV interview Monday night about what the U.S.-led coalition is doing to stop the slaughter of civilians by Islamic State militants across the region. "We're killing a lot of them, and we're going to keep killing more of them. ... But we cannot win this war by killing them," department spokeswoman Marie Harf said on MSNBC's "Hardball." "We need ... to go after the root causes that leads people to join these...