PEOPLE - Forbes Twitter Chat: Kerry Dolan on the Forbes 400, Billionaires and How They Make Their Money

On Monday we launched our annual Forbes 400 list of America's richest, compiled by our wealth team. This afternoon, Kerry Dolan, one of the list's editors, took over @forbes to talk billionaires and how they made their fortunes. Below, you'll find Forbes readers' questions and Kerry's responses. (Wealth reporters Brian Solomon and Caleb Melby also jumped in to answer some questions.) If you missed out, Kerry is still replying to #AskForbes tweets ...

http://www.forbes.com/sites/lainnafader/2013/09/18/forbes-twitter-chat