David Carrillo quoted by The New York Times, Feb. 21, 2017
David A. Carrillo … is not among the supporters. “California seceding is so unlikely to happen it’s a waste of our time even to discuss it. … Even if the state could secede, it’s a terrible idea.” In the United States Constitution, Mr. Carrillo said, “there is a no procedure for allowing states to leave, and if you want a practical example, there is the Civil War.”