Matt Ridley, author of the book "The Rational Optimist" that gates was reacting to, responds: http://online.wsj.com/article/SB100014240527487046486045756211228

Matt Ridley, author of the book "The Rational Optimist" that gates was reacting to, responds: http://online.wsj.com/article/SB10001424052748704648604575621122887824544.html http://online.wsj.com/article/SB1000142405274870464860457562...