![PBS NewsHour show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/914/small/pbs-newshour-podcast-pbs.jpg)
Summary: The Pentagon confirmed Saturday that a U.S. aircraft carrier is being sent to the coast of Iraq in response to the advance of Islamic militants in the country. What are America's military options in Iraq? For more, Janine Davidson, a senior fellow for defense policy at the Council on Foreign Relations joins Hari Sreenivasan in New York.