Brigham Young, in a sermon, teaches that the Constitution will hang by a thread someday and will be saved by "the Mormon Elders."
Brigham Young, "The Priesthood and Satan—the Constitution and Government of the United States—Rights and Policy of the Latter-Day Saints." February 18, 1855. Journal of Discourses, 26 vols. (Liverpool: F.D. Richards, 1855), 2:182
When the Constitution of the United States hangs, as it were, upon a single thread, they will have to call for the 'Mormon' Elders to save it from utter destruction