Gov. Gavin Newsom, like governors before him, wants to overhaul how water moves through the delta and supplies the rest of the state, proposing a 30-mile tunnel out of the Sacramento River. But as Kurtis Alexander reports in his Chronicle series "Delta on the Edge," local farmers, boaters, fishers and others are united in a fight against it, with signs saying, “No tunnel. Save our delta.” Also: Sutter Island resident Dan Whaley talks about why he opposes the project. | Unlimited Chronicle access: sfchronicle.com/pod Learn more about your ad choices. Visit megaphone.fm/adchoices