Ellen Tauscher: “The bar for using nuclear weapons is extremely high.”

While the United States and Russia frequently discuss the problems of Iran and North Korea pursuing development of nuclear weapons, this was not a topic of discussion in the negotiation of the bilateral New START treaty.

China's military modernization programs, including its nuclear modernization, are a significant concern which we watch closely.

What we know better than ever is that we have the finest military force in the world and these are volunteers, unbelievable young men and women from around the country, and they should be the lever of power that we use the least and last

We have verification that is specific. It is robust in many different areas.