Economist Mark Thoma, over at Economist's View, locks in on an essential point in the inequality debate that often gets overlooked.
One thing that bothers me about the whole inequality debate is the presumption that the winners deserve their incomes because it reflects their contribution to the firm, i.e. it is the wage that would be earned in well-functioning competitive markets, with the reward is equal to the person's marginal contribution to the firm. Thus, the analysis often begins with the idea that any tax takes away someone's hard-earned income and redistributes it elsewhere.