Withdrawing from the INF Treaty is a major mistake. *Much* more could have done to try to save it. The Obama administration deserves significant criticism for not acting earlier. So this doesn’t look like post-facto rationalization, here’s me from 2014: http://carnegieendowment.org/2014/08/06/how-to-respond-to-russia-s-inf-treaty-violation-pub-56330…