I’d say he paid “only” 14% because he gave 7 million to charities which equal legal deductions.
Screw the left and their “pay what’s fair”.
Then, make the poor pay their fair share, too.
Investment and capital gains is paid at a lower rate because the money had already been taxed once as income before the investment. Therefore, the rate is reduced so a dollar is not taxed twice for the same thing.