Bill Gates says he has paid more than $10 billion in taxes over a lifetime but billionaires like him should pay "significantly" more because they benefit more from the system. Justin Tallis / AFP
Bill Gates says he has paid more than $10 billion in taxes over a lifetime but billionaires like him should pay "significantly" more because they benefit more from the system. Justin Tallis / AFP
Bill Gates: Billionaires should pay more tax not less
In our bi-weekly roundup of what the world's billionaires of been up to, Bill Gates says the wealthy should shell out more in taxes and Jeff Bezos takes Amazon to a healthier level