Republican Gov. Rick Perry leads his Democratic challenger, Bill White by 10 points — 50 percent to 40 percent — in the latest University of Texas/Texas Tribune poll. Libertarian Kathie Glass has the support of 8 percent of respondents; Deb Shafto of the Green Party gets 2 percent. In the last UT/TT poll, conducted in early September, Perry led by 6 points, 39 percent to 33 percent. In a red state in a red year, GOP incumbents in other statewide races are beating their Democratic opponents by between 13 points and 20 points, the new poll found.