Microsoft co-founder Bill Gates is back on top of Forbes magazine's list of the world's richest people after a four-year hiatus. Gates, who led the list for 15 of the past 20 years, won the spot back ... more 
Microsoft co-founder Bill Gates is back on top of Forbes magazine's list of the world's richest people after a four-year hiatus. Gates, who led the list for 15 of the past 20 years, won the spot back from Mexican telecom mogul Carlos Slim Helu, who had topped the list for the past four years. Gates' net worth is estimated at $76 billion; Slim Helu follows at $72 billion. less 
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Mon, Mar 3, 2014 12:53 PM EST