There have been many books on leadership, but here at last is one that actually draws on the wisdom of those in the know. Acting on his belief that you get the most done in the first twenty minutes of a meeting, Allan Leighton invited Britain's top businessmen and women to spend just twenty minutes talking about their views on leadership. And he has talked to an astonishing range of them - the established giants such as Philip Green and Rupert Murdoch;...