Does Bill Gates Pay His Fair Share?

Do the rich pay their fair share of taxes? It's not a simple question. First of all, what do you mean by rich? And how much is fair? What are the rich, whoever they are, paying now? Is there any tax rate that would be unfair?

The argument over whether rich people pay their "fair share" is typically an emotional one. UCLA Professor of Economics, Lee Ohanian, takes a rational look and has some fascinating and unexpected answers.