In 1846, a man named Green Flake was “loaned” by his masters to Brigham Young, to serve as his wagon driver on the Mormon pioneers’ arduous trek across the Great Plains and through the Rocky Mountains. Brigham Young was then the leader of the Church of Jesus Christ of Latter Day Saints and soon to become the first governor of the territory of Utah. In July of 1847, as they neared the Salt Lake Valley, Green Flake (who was one of three black slaves in the first company of pioneers; all of whom were members of the church) and one other man were sent ahead to scout a trail through…