Tomorrow is Primary Run-off election day in Texas. Democrats will choose between Mary J. Hegar and Royce West for the U.S. Senate nomination and between Roberto Alonzo and Chrysta Castaneda for the railroad commission nomination. In Lamar County, Republican voters in Precinct 1 will decide between Ryan Ruthart and Alan Skidmore for commissioner nomination, and there is not a Democratic opponent. Delta County Republicans will choose between Kevin Carter and Charla Singleton for Sheriff. Polls will be open between 7:00 am and 7:00 pm.