How's this for a vision of earthly paradise? Sun, sand, sea and a tax rate of zero. It's that last bit that turned the tiny Cayman Islands into one of the most attractive offshore financial havens in the world. But now the US and EU are leading international efforts to rein in the world's tax dodgers. Hardtalk speaks to Alden McLaughlin, Premier of the Cayman Islands. Is his Caribbean haven about to lose its allure?