Jeopardy Winner Defends Winning Strategy
A four time Jeopardy Champion is defending the way he plays and wins the game.
Arthur Chu uses game theory to pick the most profitable clues and Daily Doubles.
From there, he says it's all about knowing the answer.
So far he's won more than $100,000 and plans to donate a chunk of it to Fibromyalgia research, something his wife suffers from.