These days, we like to think we know the answer.
- Sam Pizzigati
After all, we get from investigators at Forbes every fall a detailed annual list of the fortunes of America’s richest 400.
Our wealth stats don’t end there. Business reporters at Bloomberg publish a competing “Billionaires Index,” with figures proudly “updated at the close of every trading day in New York.”
Eight of the ten richest billionaires on Bloomberg’s list carry U.S. passports.
The combined fortune, at…