Dick Lugar: “I’m hopeful that you will make comments as we proceed.”

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

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.

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

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