By Carol Ryan
The author is a Reuters Breakingviews columnist. The opinions expressed are her own.
The West has been unable to develop a coherent strategic policy toward Russia. There is little agreement on what Russia is and how to deal with it, too much speculation about what President Vladimir Putin will or will not do.
As nuclear talks between Iran and the other members of the so-called P5+1 group are extended for another seven months, one issue is sure to remain a sticking point. The most important differences between all sides relates to the size of Iran’s uranium-enrichment program.
History has no on-off buttons. Change is never instantaneous. But President Barack Obama and Chinese President Xi Jinping’s recent accord on greenhouse gases may allow the world to start dialing down dangerous carbon emissions.