The US Response in Iraq

President Barack Obama meets with Senators John McCain and Lindsey Graham in the Oval Office to discuss Syria, Sept. 2, 2013. National Security Advisor Susan E. Rice is at left.

Islamist militants continue to make gains in Iraq, and President Obama says his national security team is leaving all options on the table when it comes to planning a US response. Kevin Baron, executive editor of Defense One, talks about the possibilities that lie ahead.