From the time he was a child in Peru, the Mormon Church instilled in Jose Loayza the conviction that he and millions of other Native Americans were descended from a lost tribe of Israel that reached the New World more than 2,000 years ago. "We were taught all the blessings of that Hebrew lineage belonged to us and that we were special people," said Loayza, now a Salt Lake City attorney. ... Loayza said, his faith was shaken and his identity stripped away by DNA evidence showing that the ancestors of American natives came from Asia, not the Middle East....