On immigration policy, party elders were caught completely by surprise. Even canny operators like Ted Cruz didn’t appreciate the depth of voter anger on the subject. And why would they? If you live in an affluent ZIP code, it’s hard to see a downside to mass low-wage immigration. Your kids don’t go to public school. You don’t take the bus or use the emergency room for health care. No immigrant is competing for your job. (The day Hondurans start getting hired as green energy lobbyists is the day my neighbors become nativists.) Plus, you get cheap servants, and get to feel welcoming and virtuous while paying them less per hour than your kids make at a summer job on Nantucket. It’s all good.