Democrats lost at least three House seats and several referenda campaigns in California in this month’s election. In another noteworthy surprise, Republican Kevin Lincoln unseated Democratic Mayor Michael Tubbs in the predominantly working-class, minority city of Stockton. What was that about the GOP becoming obsolete in the Golden State?
Four years ago, the 30-year-old Mr. Tubbs became the city’s youngest and first elected black mayor, garnering endorsements from Oprah Winfrey and Barack Obama. The Stockton native turned…