Buffett realizes that a revolution is inevitable if current trend
(rich gets richer, poor gets poorer) continues, so he is trying to do
something about it, not for himself but for his grandson, great grandson.
Unfortunately, the end of american empire will come sooner or later,
this determined by 1) human nature and 2) the way united states is set up.
If Buffett is really smart he will try to change 2 because it is really hard
to change 1