From Economic Principals, David Warsh on the significance of Geneva. Bill Gates on making capitalism more creative.  “An uncharacteristically altruistic monument”: An interview with Adam Thirlwell, author of The Delighted States (and a review). And the beat goes off: The strange story of what happened to dancing. Politics, religion and money may be wrestling to control the Olympics, but they’ll never be a match for the sheer drama. A review of Kiss My Math: Showing Pre-Algebra Who's Boss by Danica McKellar. A review of America Between the Wars: From 11/9 to 9/11 by Derek Chollet and James Goldgeier (and more and more). Europeans are greeting Barack Obama as their savior; but how long will the love last if he wins the presidency? From The Boston Globe Magazine, a special issue on The Boomers. A review of books on Hitler and Germany. A review of What Happened to the Children Who Fled Nazi Persecution by Gerhard Sonnert and Gerald Holton. An article on the power of Mao, multiplied, in the pop art of China. A review of Iron Fists: Branding the 20th-Century Totalitarian State by Steven Heller. More on Where Have All the Soldiers Gone? by James Sheehan. Is international justice the enemy of peace? Aryeh Neier wants to know. The first chapter from Does Peacekeeping Work? Shaping Belligerents' Choices after Civil War by Virginia Fortna.