While no Democrat has won statewide in Texas in more than 30 years, Cornyn's seat is an especially tough nut to crack... This year's contest, however, is marked by an especially bitter Republican primary headlined by Cornyn, Texas Attorney General Ken Paxton and U.S. Rep. Wesley Hunt of Houston. Many Democrats believe that provides them with an opening. Numerous polls suggest their best chance will come if Paxton — who has a history of scandals and is in the midst of a high-profile divorce from his wife, McKinney state Sen. Angela Paxton – becomes the GOP nominee. Two major Democratic...