Dick Lugar: “This has to be an integral part of how we put forth a message on climate change to the American people.”

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.

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

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