Independent: Even our heroes can slip up at times. Sir David Attenborough is officially the most trusted man in Britain, but his remarks published today, in the context of the debate over world population growth, that it is barmy to send food to famine-stricken countries, is crass in its callousness; it is simply stupid. And when he reflects on the implication that it is acceptable to reduce human numbers by starving people to death Sir David may well be forced to modify his words. Not the least unfortunate...