Human Champs News Today

Finally in the second round of "jeopardy!" it was man versus machine. who won? machine kicked our butts. >> it was rough. watson, the computer, got 25 questions right while human champs, ken jennings and brad rutter, only got a total of five right. how does watson do it? heres david muir. >> lets take alternate meanings for 200, alex. >> reporter: call it man versus machine. superstar contestants against the supercomputer. watson was off and running. >> losing to him by 0.01 seconds. watson? >> ...