“When I saw that the Vue chain of cinemas had banned children from certain performances, such as the new James Bond film, at first I had some sympathy with the decision.” But not for long — and not only because young adults tend to be more obnoxious than kids at the movies. “It’s by going to [things with their parents], over time, that children learn how to behave properly. And it’s by leaving their children behind that adults learn how to behave badly.”