sentences:  In 1846, he was elected to the Michigan Senate and the following year served as President pro tempore of the State Senate.In 1847, when Governor Alpheus Felch resigned to serve in the U. S. Senate, Bush became the sixth Lieutenant Governor of Michigan serving under Governor William L. Greenly from March 4, 1847 to January 3, 1848.In 1847, he also cast the deciding vote to move the state capital from Detroit to Lansing.