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craig barrett retired as intel's chairman in may, 2009.ramatic orchestral music] ♪ coming up, venezuela's unique music program. [jazzy music] ♪ >> en el fondo, es un sistema esencialmente social-- >> at its root, this is a social system that fights poverty. a child's physical poverty is overcome by the spiritual richness that comes from music. >> so music actually becomes the vehicle for social change. >> without a doubt. and that's what's happening in venezuela. [rousing orchestral music] ♪ the musical mission of el sistema, when 60 minutes on cnbc returns. [ticking] [ male announcer ] when a major hospital wanted to provide better employee benefits while balancing the company's bottom line, their very first word was... [ to the tune of "lullaby and good night" ] ♪ af-lac ♪ aflac [ male announcer ] find out more at... [ duck ] aflac! [ male announcer ] ...forbusiness.com. [ yawning sound ] scroll... tap... pinch... and zoom... in your car. introducing the all-new cadillac xts with cue. ♪ don't worry. we haven't forgotten, you still like t