Watson Wins Jeopardy, but Is His Intelligence Artificial?

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The IBM computer Watson wasn't perfect on Jeopardy this week, but it was good enough to defeat two champion human beings. What's new and different about Watson? Can artificial intelligence really cope with complex reality? Also, crackdowns continue on anti-government protesters in the Middle East. On Reporter's Notebook, Wisconsin has become a national battleground between Republican governors and public employees, backed by President Obama.  Will the battle spread to other states?

Banner image: Contestant Ken Jennings competes against "Watson" at a press conference to discuss the upcoming Man v. Machine Jeopardy! competition at the IBM T.J. Watson Research Center on January 13, 2011 in Yorktown Heights, New York. Photo: Ben Hider/Getty Images