Mitt Romney’s recently released tax returns will hopefully spark some discussions on the fairness of the American tax code, though I have my doubts. It’s all part of an ongoing, documented trend – the rich in America are getting richer. Although I doubt it’s on Romney’s reading list, he might be interested to read The Spirit Level, written by UK-based epidemiologists Richard Wilkinson and Kate Pickett. Their data analysis reveals that even if you’re a private equity executive earning top dollar, if you live in a highly unequal society, you will still be more likely to be affected by social problems, like ill health or violence, than someone earning less and living in a more equal society.