Some in the Tea Party faction of the Texas GOP are encouraging talk of a challenge to U.S. Sen. John Cornyn, R-Texas, raising a question: Is he vulnerable to a challenge?
Joshua Blank, PhD
Joshua Blank, PhD is the research director of the Texas Politics Project at the University of Texas at Austin. He has a bachelor's degree in political science from Boston University and a doctoral degree in government from the University of Texas at Austin. He has played a primary role in most of the major public statewide polls conducted in Texas since 2011.