Admiral Michael Mullen: “The likelihood that NATO could respond in a situation like that was absolutely zero.”

The direction you get from a President in a situation like that is 'Do everything you can.' It's all the guidance that you need.

The President focused on asking the hard questions and took the time to carefully consider all of the options.

The prospect of unsecure nuclear weapons or materials, and their acquisition and use by al Qaeda or an affiliate, is a serious threat that DOD addresses in the NMS as well as in our operational planning efforts.

We seized an opportunity to come together and get to this treaty.