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<http://www.mirror.co.uk/news/top-stories/2010/08/05/billion-dollar-bill-115875-22465820/> http://www.mirror.co.uk/news/top-stories/2010/08/05/billion-dollar-bill-115875-22465820/ American billionaires join Bill Gates to pledge half their fortunes to charity - - By Tom McTague 5/08/2010<http://www.mirror.co.uk/news/top-stories/2010/08/05/> Scores of American billionaires yesterday pledged to give away at least half their wealth to charity. The vow by 34 of America's richest individuals follows the campaign by investor Warren Buffett and Microsoft founder Bill Gates. Among the billionaires who announced they were joining the campaign were New York Mayor Michael Bloomberg, entertainment executive Barry Diller, Oracle co-founder Larry Ellison, energy tycoon T Boone Pickens, media mogul Ted Turner, banker David Rockefeller and investor Ronald Perelman. The Giving Pledge was started in June by Mr Gates, whose £33.3 billion fortune makes him the second richest person in the world. The richest is Mexico's Carlos Slim, worth £35 billion. Mr Buffett ranks third on £30 billion. Yesterday's recruits to the philanthropic cause brings the number of billionaires signed up to 40, including movie mogul George Lucas.
