Dick Lugar: “What if--I would ask of any of you--a situation occurs in which the regime succession does not work out quite in the…”

Several members of Congress have already proposed legislation along these lines.

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

Jettisoning treaties that provide a legal framework for exposing Russian violations achieves nothing.

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