“…Politicians have intentionally set tax rates on wages much higher than those on long-term investment returns. The U.S. has a progressive tax system in the sense that well-paid workers sacrifice much more than poor workers on their “ordinary income.” But Americans with so-called unearned income—qualified dividends and long-term capital gains—get a break. A billionaire investor can pay about the same marginal rate as a $40,000-a-year worker, a fact Warren Buffett has famously lamented…”