Wealthy tech investors recently unveiled their plans to build a utopian city in southeast Solano County, calling it California Forever. They’re promising idyllic streets and “good paying local jobs,” many of the same things touted for the development of Mountain House, a city built from scratch two decades ago in San Joaquin County. Chronicle urban design critic John King visited Mountain House, and joins host Cecilia Lei to discuss how the community has thrived — and faltered — and what lessons California Forever should take from the masterplanned town. | Unlimited Chronicle access: sfchronicle.com/podGot a tip, comment, question? Email us: [email protected] more about your ad choices. Visit megaphone.fm/adchoices