A few hundred Mormons filed into a chapel just outside the Washington Beltway one recent Sunday to hear a somewhat unusual presentation: an Obama administration official recounting his conversion to Mormonism. “I have never in my life had a more powerful experience than that spiritual moment when the spirit of Christ testified to me that the Book of Mormon is true,” Larry Echo Hawk told the audience, which stretched back through the spacious sanctuary and into a gymnasium in the rear.
