Read Andy Kessler's WSJ article from today. It provides an answer: Want to Change the World? How About a Billion-Dollar Prize http://online.wsj.com/article/SB

Read Andy Kessler's WSJ article from today. It provides an answer: Want to Change the World? How About a Billion-Dollar Prize http://online.wsj.com/article/SB10001424127887323628804578348002211277908.html http://online.wsj.com/article/SB1000142412788732362880457834... You can google for the story to get beyond the paywall if you need to.