Raúl Castro Steps Down, Leaving Cuba's Future Uncertain

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In this March 17, 2015 file photo, Cuba's President Raul Castro listens to the playing of national anthems during his welcome ceremony at the Miraflores presidential palace in Caracas, Venezuela.
( Ariana Cubillos / AP Photo )
Produced by Rob Gunther
Hosted by Todd Zwillich
PRI WNYC