First up: what are the factors that make a given person more or less likely to have children? And is the global population really going to double by the next century? Probably not.
And then: “That’s a great question!” You hear this phrase in all kinds of media interviews, during the Q&A portion of tech and academic conferences, and in ordinary meetings. Where did this ubiquitous reply come from? Is it a verbal tic, a strategic rejoinder, or something more? We talk to a linguist, a media consultant and master interviewer Charlie Rose about why it’s rare to come across an interview these days where at least one question isn’t a “great” one.