HONG KONG National league tables make good journalistic copy, which is devoured especially avidly in nations that happen to score near the top of this or that list. But they can equally tell some very tall tales that reflect better the biases of their assessment criteria than facts on the ground. One of the more widely disseminated is the Index of Economic Freedom, published by the Washington-based Heritage Foundation for the past 12 years. This year, as in numerous past years, it has declared Hong Kong the world's freest economy, closely followed by Singapore, with Iceland, Ireland and Luxembourg close...