PROVO, Utah (BP)--Drive an hour south of Salt Lake City down Interstate 15 and you enter a different world, says North American Mission Board missionary Mickie Kelly. "People think I'm exaggerating when I tell them the kinds of things that go on here," said Kelly, a church planter in Payson, Utah, near Provo. "The spiritual darkness is like a blanket that you wear every day." Around the well-kept homes and clean-cut families of Payson, a spiritual drawstring tightens under the influence of the Church of Jesus Christ of Latter-day Saints (LDS). "Salt Lake City is 47 percent LDS," Kelly said....