Commentator Ruchir Sharma says just look at how its billionaires made their money.

A new study finds that those who feel wealthy are often the least ethical -- more often cutting off other vehicles at four-way intersections and even stealing candy from children.

Reporter Mitchell Hartman discusses the need for Marketplace's new Wealth & Poverty desk.

There is growing disparity between the "haves" and the "have nots," but most Americans say they don't think the government should focus on closing the gap