books.google.com - Life is getting better—and at an accelerating rate. Food availability, income, and life span are up; disease, child mortality, and violence are down — all across the globe. Though the world is far from perfect, necessities and luxuries alike are getting cheaper; population growth is slowing; Africa...http://books.google.com/books/about/The_Rational_Optimist.html?id=YoVpW0zJIgYC&utm_source=gb-gplus-shareThe Rational Optimist