PBS NewsHour — February 14, 2011 | Miles O'Brien

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Science correspondent Miles O’Brien goes head-to-circuit board with IBM’s computer Watson on the game show Jeopardy! to explore the limits of language and artificial intelligence for machines. 

Interviewed in this segment: Ray Kurzweil (author, inventor), David Ferrucci (IBM), Marvin Minksy (MIT, AI expert).