Republican candidate for California's U.S. Senate seat, Duf Sundheim, listens as Democratic Congresswoman Loretta Sanchez speaks during a debate at The University of the Pacific in Stockton on April 25, 2016.
Republican candidate for California's U.S. Senate seat, Duf Sundheim, listens as Democratic Congresswoman Loretta Sanchez speaks during a debate at The University of the Pacific in Stockton on April 25, 2016. Carlos Avila Gonzalez The Associated Press
Republican candidate for California's U.S. Senate seat, Duf Sundheim, listens as Democratic Congresswoman Loretta Sanchez speaks during a debate at The University of the Pacific in Stockton on April 25, 2016. Carlos Avila Gonzalez The Associated Press