In sacrament meeting last week, the bishop got up and announced he had received a letter from the First Presidency. As he prepared to read it, the congregation perked up. Moments like this are always attention-getters for Mormons. Normally, we get direction from the top during General Conference. Occasionally something can’t wait and it comes in the form of an official letter from the brethren telling us to start (or stop) doing something. Because it’s important enough to warrant pronouncement from the top, the subject could be anything from a formal declaration of the Second Coming to an admonishment regarding...