Study Finds Greater Income Inequality in Nation's Thriving Cities

``Inequality in the 50 biggest cities grew modestly from 2007 to 2012, the study found. The effect was not primarily because of rapid income growth among the richest families -- generally, earnings for the top 1 percent of the income distribution have not yet surpassed their prerecession peak. Rather, it was because poor families, saddled with debt and high unemployment rates, have suffered through the recession and the recovery.''