Inequality: Let's talk about 95-20 ratios in U.S. cities

A "95-20 ratio" compares the income of the top five percent of a city (the rich, essentially) with the bottom 20 percent (the poor, essentially) across the 50 largest U.S. cities. If the ratio is very high, that means the rich make a ton more than the poor. While that's true in most cities (especially economic centers), a major number on "95-20 ratio" w…