...When ushered into the master bedroom of the Mormon patriarch Brigham Young at his winter home in St. George, Utah, a few years ago, I felt duty-bound to ask an obvious question: Where did the other women sleep? Other women? The church tour guide blushed, and laser-stared me as if I’d blasphemed the Mormon Moses. I wondered about arrangements and jealousies, the conjugal timing of a man who was married to 55 women, by most accounts. I didn’t ask about the sexual acrobatics of the great pioneer, just the spreadsheet logistics of managing all those spouses. ...The Church of Jesus...