The LDS Church has changed a single word in its introduction to the Book of Mormon, a change observers say has serious implications for commonly held LDS beliefs about the ancestry of American Indians. Members of The Church of Jesus Christ of Latter-day Saints believe founder Joseph Smith unearthed a set of gold plates from a hill in upperstate New York in 1827 and translated the ancient text into English. The account, known as The Book of Mormon, tells the story of two Israelite civilizations living in the New World. One derived from a single family who fled from Jerusalem...