For Don Barton, a fourth-generation walnut farmer and the president of the Gold River Orchards, water is everything. That’s why a President Trump-signed memo last week promoting water delivery has Barton and other farmers across San Joaquin County hoping it may stop the so-called “water grab.” “We view this as clearly a positive, the President has intervened directly on an issue that has really been a big road block for California farmers for a number of years now,” he said.