In the early 1950s, the social psychologist Muzafer Sherif and his colleagues conducted a now-classic experiment, on intergroup conflict and resolution of conflict, with 11- and 12-year-old boys at a ...

Earlier this week, I spent a long, long day—from 5:30 a.m. until 8:20 p.m.—as a poll worker. As always, I came home exhausted, feeling virtuous, civic-minded, and happy. I always have a great time.