World News Podcast - January 25th, 2014

Three people are dead, including the gunman, after a shooting at a Maryland mall. Violent protests continue in Ukraine. The cold blast sends millions of Americans indoors, but there's a high price to pay for keeping homes warm. NSA leaker Edward Snowden grants a rare interview, with new revelations on who he claims the U.S. is spying on. New warnings and security precautions in Sochi for the 2014 Winter Olympics. And ABC's Aditi Roy on the harm smartphone and tablet screens can have on your eyes. This and more on the World News Podcast.

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