Warren Buffett's $1.2 billion share buyback from a single unnamed investor likely helped that person's estate save substantially on taxes, just one day after the Berkshire Hathaway CEO said the rich should actually be paying more, not less, when they die. With the "fiscal cliff" looming and estate taxes set to rise dramatically in less than three weeks, the timing was seen as advantageous - and, according to Berkshire watchers, also out of place in the context of Buffett's recent tax activism. "I would say 'Warren, would you please just keep your nose out of this.' He's not in a position to criticize what's good for ... (full story)