The richest people in America

POSTED: 08:00 PM MDT Sep 22, 2012 
Oracle CEO Larry Ellison

Forbes has published its annual list of the wealthiest people in the U.S. Two thirds of the superrich added to their fortunes in 2012, boosting their average net worth by $400 million to a record $4.2 billion. Take a look at the richest people in America.