Mark Arax is an award-winning journalist and author. He’s reported extensively on how the water history and future of California has been shaped by the battle between powerful agricultural interests and large cities. Arax sat down recently with CapRadio Reads host Donna Apidone to talk about his latest book, “The Dreamt Land: Chasing Water and Dust Across California.” The conversation starts with Arax talking about how he first became interested in California water rights.