America's education system needs a Bill James, and a Billy Beane. Together, James and Beane — the focus of Michael Lewis's recent bestseller Moneyball — revolutionized Major League Baseball by demonstrating how maximizing efficiency can leverage limited resources to create a successful outcome. Bill James, author of the comprehensive Historical Baseball Abstract, spent three decades challenging the national pastime's conventional wisdom, applying rigorous statistical analysis to determine the traits most associated with a player's true value to his team. James's findings didn't square with most baseball experts' opinion, and his research was ignored for years. Until, that is, Oakland A's...