Terry Gilliam's new film, "The Zero Theorem" will be familiar to his fans.
The question came into sharp focus when Mitt Romney’s tax forms revealed he paid just under 14 percent on $42 million in income over two years.
Billionaire Warren Buffet says he pays around 17 percent – and he compares that to some of his employees who pay a greater percentage. We set out to find out who pays what in taxes, why, and ask, what’s fair? It turns out to be a complex question with lot of opinions — and heavily debated facts, check out the links below.