Dick Lugar: “The risks of nuclear proliferation are real and must be addressed.”

Congress has the ability to press the administration on its strategy to prevent a new Euro-missile race and increased instability in the absence of the INF Treaty.

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

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

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