VATICAN CITY — There's something of a whodunit going on in the Vatican to discover who leaked Pope Francis' environment encyclical to an Italian newsweekly, deflating the release of the most anticipated and feared papal document in recent times. L'Espresso magazine published the full 191 pages of "Laudato Si" (Be Praised) on its website Monday, three days before the official launch. The Vatican said it was just a draft, but most media ran with it, given that it covered many of the same points Francis and his advisers have been making in the run-up to the release. In the draft...