Which governor of Kansas endorsed the presidential nomination of a current senior United States Senator from Arizona?
Sam Brownback: Samuel Dale Brownback (born September 12, 1956) is an American politician and diplomat who is the 46th Governor of Kansas. Sam Brownback:  He won the special election and the following two regular elections, serving until 2011. John McCain: John Sidney McCain III (born August 29, 1936) is an American politician who currently serves as the senior United States Senator from Arizona, in that office since 1987.
Samuel Dale Brownback