Dick Lugar: “In my view, a Taliban government in Afghanistan would be a serious, serious problem for the United States.”

The Nunn-Lugar Cooperative Threat Reduction (CTR) Program has been a true success story and has made incredible contributions to U.S. national security in the last 20 years.

We need to be indicating our leadership with regard to NATO, with regard to our European alliances.

Congress could condition funding to develop new missiles on receipt from the administration of a comprehensive military, economic, and diplomatic strategy to bring Russia back into compliance with the treaty.

The reasons for Russia's violation are unclear. But I believe the violation was likely due to a number of factors...