Behind the rift between Iraq and US coalition in ISIS fight

Aired: 3/7/2015 | 0:03:21 | Clip
Iraqi forces have made significant headway against the Islamic State this past week, but Iranian troops have joined Iraq's ground offensive, and that's causing a serious rift between Iraq and the U.S.-led coalition. Anne Barnard, who has reported for the New York Times on the fighting and the rising political tension, joins Hari Sreenivasan via Skype from Baghdad.