How ISIL capitalized on vulnerabilities of Iraq's army

The United Nations estimates that, at minimum, 1,000 people have been killed in two weeks of fighting in Iraq. Judy Woodruff talks to retired Lt. Col. Douglas Ollivant and retired Col. Derek Harvey about the strengths and weaknesses of the Iraqi security forces, the role of incoming U.S. special forces and the spread of ISIL’s influence in the region.