Published on Monday, July 13, 2009 by Victor C. Krumm by Victor C. Krumm Where is the "happiest place on earth ?" Disneyworld claims it is and, though it is a great place to enjoy once in a while, the most satisfying place to live in the world is officially tiny Costa Rica, winner of the Happy Planet Index. The Index measures three factors in 143 countries, encompassing 99 percent of the population on the planet: hig...