World News Podcast - April 12th, 2013

Stern warnings from the United States to Kim Jong Un, the young leader of North Korea, as the world braces for a potential missile test.  In Hong Kong, Dr. Richard Besser tracks the spreading of the mysterious bird flu virus. And a close call for Arizona Sheriff, Joe Arpaio, as a postal worker found a package with explosives enclosed addressed to the sheriff.  This and more on the World News Podcast.

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