The Institute for Economics and Peace is making a big splash today with the release of the 2012 edition of its annual Global Peace Index (GPI)---"the world's leading measure of global peacefulness," according to its web site. The launch event for the 2012 edition included several people whose work I respect and admire, and the Institute identifies some of the heaviest hitters in the global fight for peace and human rights---Kofi Annan, Desmond Tutu, and the Dalai Lama, for crying out loud---as "endorsers" of the GPI.I really want to like this index. I'm a numbers guy, and I've spent most of...