U.S. Rep. Beto O’Rourke speaks during a campaign rally in Plano, Texas, on September 15, 2018. O’Rourke is the Democratic challenger for the Senate seat currently held by Senator Ted Cruz (R-TX).

U.S. Rep. Beto O’Rourke  speaks during a campaign rally in Plano, Texas, on September 15, 2018. O’Rourke is the Democratic challenger for the Senate seat currently held by Senator Ted Cruz (R-TX)