Updated Mar 14, 2013 - 5:32 pm
'Forbes' list makes Oprah the most influential celebrity in America
Forbes.com released a survey conducted by E-Poll Research of the top 10 most influential celebrities.
Oprah Winfrey tops the list with 48% of people surveyed rating her as influential. Also on the list is Steven Spielberg, Martin Scorsese, Ron Howard, George Lucas and others.