because somebody in the fafa distant past happened to amass a great sum of wealth. >> rose: so far, 115 billionaires have bought buffett's argument and signed the giving pledge. are self-made. their businesses range from technology and social media to pizza, hair carereand home improvement. combined pledges so far? over a half a trillion dollars. what conditions are there? i mean, can they say, "yes, i'm with you.

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people that i know, say, "i want to give it to my children. that's what i want to do." what's wrong with that? >> buffett: i don't really think that, as a society, we want to confer blessings on generation after generation who contribute nothing to society, simply because somebody in the fafa distant past happened to amass a great sum of wealth. >> rose: so far, 115 billionaires have bought buffett's argument and signed the giving pledge. are self-made. their businesses range from