In which John discusses the three myths at the center of Bill and Melinda Gates's 2013 annual letter: 1. Poor countries are NOT doomed to remain poor. 2. Foreign aid is NOT a waste of money. (In fact, health aid at least is an astonishingly good investment.) 3. Saving children's lives does NOT lead to overpopulation. (In fact, decreasing infant mortality has consistently slowed population growth all over the world.)