Cass Sunstein reviews The Hidden Wealth of Nations, a new book by UC Berkeley's Gabriel Zucman; and a new documentary, The Price We Pay, both of which map out the scale of international tax-havens, which are used by criminals and corrupt one percenters to hide money from their governments; and by corrupt governments to hide money from their citizens -- the havens are a critical part of the secret, parallel US tax system that lets the rich pay less of their income in tax than the poor. (more…)