The obscene riches being accrued by hedge fund titans show a financial system in crisis, writes Alan Rusbridger I magine you had half a billion quid to recognise an individual's extraordinary achievement – that's 500 times more than the Nobel Prize. What sort of miracle breakthrough would be worth it? Bringing about peace in Ukraine? Developing a miracle cure for malaria? Cracking the problem of practical nuclear fusion energy? The question occurred to me this week when I read about a man