Naomi Campbell refers to Nelson Mandela, as is the custom among famous young women who have met him at least twice, as "granddad". Emma Brockes talks to Ms Campbell, currently in South Africa for the birthday of an old friend.
Noam Chomsky (76) has been voted the world's top public intellectual by London-based Prospect magazine. But he has no interest in that. He believes that there is a misconception about what it means to be smart. It is not a question of wit, as with number five on the list (Christopher Hitchens) or poetic dash like number four (Vaclev Havel).