First, David Cameron should bring his own tax havens to book | Simon Jenkins

Pressing the G8 to get tough on avoidance is hypocrisy while British dependencies like the Caymans are still in business

I cannot see the point of tax havens. Or rather, I can see the point, but not why we tolerate them. They are licensed theft from the exchequer, offshore fiscal Scud aimed directly at the nation's budget. For a decade politicians in Washington, London and elsewhere have railed against them – but done nothing.

Years ago I, by mistake, slipped an income tax voucher for March int...