World News Podcast - January 31st, 2014

Security at this year's Super Bowl is unprecedented, put to the test with a false alarm as seven suspicious packages filled with white powder are found at hotels and a post office in New Jersey. The former official who engineered lane closings in the New Jersey traffic scandal says Gov. Chris Christie knew about it. Another cruise ship docks early with dozens of sick passengers. Reports of a possible real life castaway with a man who survived in the Pacific Ocean for 16 months. And ABC's David Muir on opera singer Renee Fleming and her upcoming Super Bowl performance of the national anthem. This and more on the World News Podcast.

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