Income inequality: Why it matters

The issue:  The income gap between the rich and everyone else is large and getting larger, while middle-class incomes stagnate. That's raised concerns that the nation's middle class isn't sharing in economic growth as it has in the past. And it sparked the Wall Street protests that spread to other cities in the country. Read more:  http://www.azcentral.com/business/articles/20121004why-matters-income-inequality.html