For years, Mormonism has taught that all the creeds of Christianity were an abomination and all other churches were corrupt (Pearl of Great Price, Joseph Smith 1:19). Joseph Smith was told not to join with any of them, but to help lead in what would be a restoration of the true church. In the same way, Christianity has never accepted Mormons among their ranks, considering them teachers of a different gospel (Galatians 1:6). But a new ecumenical spirit...