Dick Lugar: “This is a tinderbox of difficulty.”

What we really need right now is a revival of NATO, a revival of the spirit of the allies...

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.

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