Just came across a very interesting blog-website, Political Calculations. Lots of very interesting data, such as the trend in inequality in the U.S. since 1994. (There is no increase and no trend.) Certainly worth a look.
Political Calculations
Paul H. Rubin, Political Calculations, Truth on the Market (November 14, 2011), https://truthonthemarket.com/2011/11/14/political-calculations/