FTP, name this successor of Joseph Smith as leader of the Mormons.
A remonstrance submitted to Congress accused this man of ordering his opponents "circumcised across the throat."  In a somewhat less violent episode, he defeated Sidney Rigdon for a leadership position before being jailed under the Poland Act.  He founded a Cooperative Mercantile Institution to maintain economic control after his "Sebastopol policy" failed to forestall the installation of Alfred Cumming as governor by the army of A. S. Johnston.  The federal government spent twenty years trying to prove that this President of the Quorum of Twelve Apostles ordered the Mountain Meadows massacre after leading the move to Winter Quarters from Nauvoo and eventually founding the State of Deseret.  FTP, name this successor of Joseph Smith as leader of the Mormons.
A remonstrance submitted to Congress accused this man of ordering his opponents "circumcised across the throat."  
Brigham Young