Who's the latest Republican to explore Missouri governor race?

Vi-Jon Chairman and unsuccessful U.S. Senate candidate John Brunner has announced that he has formed a committee to weight the options of the gubernatorial race in 2016. In 2012, Brunner, a Republican from Frontenac, lost a three-way primary for the U.S. Senate to Rep. Todd Akin. Akin later lost to incumbent Sen. Claire McCaskill after creating a firestorm surrounding his comments on rape and abortion, according to the St. Louis Post-Dispatch. Catherine Hanaway, a St. Louis attorney, has announced…