Jeopardy! all-time winner
Brad Rutter and the supercomputer dubbed "Watson" are neck-and-neck after their challenge began Monday.
Rutter and former contestant
Ken Jennings - who holds the game show's longest winning streak- are facing off against the IBM machine that has been in development for two years. Named for IBM founder Thomas J. Watson, the machine is powered by 10 racks of computer servers running the Linux operating ...