Los Angeles County had a dismal turnout rate in the March 7 election, the first chance for voters to express themselves at the ballot box since Donald Trump’s stunning victory. People here seem more political than in the past — they go to a lot of protests and town halls, and they fill their social media accounts with anti-GOP screeds. But less than 12% of eligible voters showed up. This suggests that hatred of our new president isn't sufficient to get out the vote. Granted, the election was a local affair. The most controversial questions for voters involved measures to...