Gates, Buffett solicit for charity

Microsoft co-founder Bill Gates andlegendary investor Warren Buffett are campaigning to get other American billionaires to give at least half their wealth to charity.

Former Gates Foundation CEO Patty Stonesifer said Wednesday that Gates and Buffett the two wealthiest people in the United States,bymost tallies have been working for the past year to get others to donate the bulk of their wealth.

The friends and philanthropic colleagues are asking people to pledge to donate either during their lifetime or at the time of their death.

Stonesifer says a handful of billionaires approached so far have embraced the concept.

Four wealthy couples have already announced their pledges, including Los Angeles philanthropists Eli and Edythe Broad.