Scientists detected the gravitational waves after a pair of unusual black holes collided.
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.
Robin Young and Jeremy Hobson are hitting the road. Our Tumblr brings you behind the scenes of our election coverage.