Obama vs Pentagon: 'Boots on the ground' hangs in the air

US President Barack Obama insists that American ground troops will not be involved in the fight against Islamic State militants. But the Pentagon thinks that this option should still be on the table. RT's Gayane Chichakyan reports. RT LIVE http://rt.com/on-air Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday Like us on Facebook http://www.facebook.com/RTnews F ...