Will higher taxes on the rich end rising inequality?

According to the British charity Oxfam, 26 of the world’s richest billionaires are worth more than the poorest half of humanity. So If the rich are getting richer and the poor are getting poorer, what's the answer?

Guests:
Alex Cobham
Chief Executive
Tax Justice Network

Rajneesh Narula
International Business Regulation professor
University of Reading's Henley Business School