Can Abadi form a workable government for Iraq?

Iraq’s president named a new prime minister, but Nouri al-Maliki refuses to give up his post, while the fight against Islamic militants continue. Gwen Ifill is joined by Deputy Assistant Secretary of State Brett McGurk for an update on the political turmoil in Iraq, plus analysis from Zalmay Khalilzad, the former U.S. ambassador to Iraq, and Laith Kubba of the National Endowment for Democracy.