Climate Change Threatens Winter Olympics

As world athletes head to Sochi, Russia, for the 22nd Olympic Winter Games, their success may depend a lot on the weather. Nine of the 15 sports take place outdoors and require snow or ice.  A new study looks at how a warmer world has affected past Games and what the forecast looks like for future winter Olympics, given the steady rise in global temperatures. VOA’s Rosanne Skirble has the details.