> The Buffett Rule is named after American investor Warren Buffett, who publicly stated in early 2011 that he believed it was wrong that rich people, like himself, could pay less in federal taxes, as a portion of income, than the middle class, and voiced support for increased income taxes on the wealthy.
https://en.wikipedia.org/wiki/Buffett_Rule
> The Buffett Rule is named after American investor Warren Buffett, who publicly stated in early 2011 that he believed it was wrong that rich people, like himself, could pay less in federal taxes, as a portion of income, than the middle class, and voiced support for increased income taxes on the wealthy.