Today is Joseph Smith's birthday. Contrary to the claims of our more extreme critics, Latter-day Saints don't put up "Smithmas" lights, sing "Smithmas" carols or recite the story of Joseph's advent. In fact, we generally don't mark his birthday at all, let alone celebrate it — and not only because it's swallowed up in the mega-holiday that follows 48 hours later. However, perhaps a word or two about Joseph wouldn't be out of place today. But first, a word about his associate, Oliver Cowdery. In April 1838, charged with serious offenses, Oliver was excommunicated from the church. He was not...