Hedge funds may emerge as new powerbrokers

Hedge fund managers have a taste for bloodthirsty names. If they aren't called after one of the fiercer beasts of the jungle, they pluck something from the gorier sections of the Schoolboy's Guide to Greek Mythology.

Take Cerberus, for example, the guard dog of Hades. When Medea wanted to do away with Theseus, the poison was made from the dog's drool.

Poison, drool? Those will seem apt terms to Sir Martin Sorrell, chief executive of the British-based advertising group WPP Group. Sorrell has