Deputy Foreign Minister Sergei Ryabkov

Russian President Vladimir Putin is seen on day eight of the Sochi 2014 Paralympic Winter Games at Laura Cross-country Ski & Biathlon Center on March 15, 2014 in Sochi, Russia. (credit: Mark Kolbe/Getty Images)

Senior Russian Diplomat: Moscow May Change Stance In Iranian Nuke Talks

A senior Russian diplomat says Moscow may change its stance in the Iranian nuclear talks amid tensions with the West.