Dick Lugar: “The Law of the Sea will continue to form the basis of maritime law regardless of whether the United States is a party.”

That is a very dangerous attitude to take.

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

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.

There is precedent for using patient diplomacy to resolve treaty violations.