Dick Lugar: “Careful, don't play that card too quickly.”

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.

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

The President has to want to get back into the discussions. At this point, there is not evidence that that is the case.