PBS NewsHour | 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). In the second video, Miles O’Brien takes on Watson, and loses. In the third video, he tells Hari Sreenivasan about how the supercomputer works and his quiz show loss.