Hardball with Chris Matthews 06/17/14

Shi’ite, Sunni leaders call for unity

Iraq’s Shi’ite and Sunni political leaders called for national unity on Tuesday, but with sectarian violence on the rise in Iraq, there are signs the U.S. is getting more involved. But should the U.S. take sides in the country’s religious war? Gen ... more Duration: {{video.duration.momentjs}}