Dick Lugar: “We should recognize that United States-Russian relations are likely to be strained for some time.”

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.

It seems to me to be really a safety net there.