Education Secretary Arne Duncan said on Tuesday that he has met with gang leaders in his hometown of Chicago and they’ve told him that it’s a lack of jobs that keeps them on the streets. “We have to have jobs for young people,” Duncan said at the National Summit on Youth Violence Prevention in Crystal City, Va. “I probably shouldn’t say this in a room like this, but occasionally when I go home I’ll sit down with some of the gang leaders—back home in Chicago.” He said he asked them what was the “biggest impediment” to getting gangs to stop...