Republican candidates lead all statewide races, according to the latest SurveyUSA poll sponsored by KWCH, Channel 12. In the gubernatorial race, Sam Brownback leads Democrat Tom Holland 60 to 32 percent. In the secretary of state race, Kris Kobach is ahead of Chris Biggs 53 to 35 percent. Ron Estes has 55 percent support in the treasurer contest, while Dennis McKinney has 39 percent. The only race that is somewhat close in the poll is attorney general, where Derek Schmidt leads Steve Six 48 to 40 percent.