"Pessimism about the future is very fashionable - and very profitable. But if I could have any period of history to live in, I would choose to be living right now". So says John Crosby, the Observer columnist, who belongs to that long list of celebrated Americans who have settled in Britain. In this film Crosby tries to bring a spark of common sense to what he regards as the current hysterias about pollution, over-population, world food shortages and other sacred subjects.