Could Watson Have Been Defeated by Homebrew?

Well before Ken Jennings and Brad Rutter, IBM's design team grappled with a different challenge - getting beaten to the punch by someone else inventing a trivia-savvy artificial mind. Final Jeopardy discusses Watson's early development and how this Q&A juggernaut overcame the "Basement Baseline." » 2/18/11 4:20pm 2/18/11 4:20pm