At the time the author wrote the article, they were not on board. So it is hardly surprising they assumed Russia and China would use the deal as an excuse not to jump on board with more sanctions. The fact that Russia and China are apparently going to support more sanctions is indeed a win for Clinton and Obama. (provided of course they actually follow through)
I saw your other post after I posted the question. You get it.
Let's hear from Yurtsie.