World's richest billionaires
Published On: Mar 08 2012 09:56:15 AM CST
Updated On: Mar 04 2013 09:32:52 AM CST
A Mexican billionaire tops Forbes' world's richest list for a fourth year in a row.
CNN Exclusive/Richard Dessin
Danny Moloshok / Reuters
Boy Scouts of America
Karen Barefoot/SXC
Library of Congress
Karen Barefoot/SXC
Ki Price/Reuters
Lucas Jackson/Reuters
Pool
Kevin Taverner/CNN
Auction Team Breker
Chuck Kennedy/The White House
istock
Library of Congress
Fred Prouser/Reuters
REUTERS/Richard Rowe
Dan Jackson
Brendan McDermid/Reuters
JASON REDMOND / Reuters
Ed Zurga/Reuters
Rebecca Vitsmun/iReport
Madi Alexander
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