- The Islamic State in Iraq and Syria is moving fast, and appears inspired by its triumphs
- ISIS attacks send shockwaves among Iraqi forces fighting the militants
- Iraqi forces and Anbar tribesmen threaten to flee if the U.S. military does not intervene
(CNN)Despite airstrikes and international outrage against ISIS militants, the terror group is overrunning Iraqi forces and slowly marching on toward a province on Baghdad's doorstep. And as alarming developments piled up over the weekend, Iraqi forces threatened to flee if the U.S. military does not intervene.