Dick Lugar: “If we are going to achieve stronger regional cohesion and prosperity, we must establish a clear sense of our interests…”

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

In the likely event the INF Treaty collapses in August, the only remaining bilateral U.S.-Russia arms control agreement would be New START, which expires in 2021 but can be extended by up to five years through agreement by both parties.

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...