Oxfam calls on governments to solve wealth inequality Oxfam's executive director Winnie Byanyiama says she is in Davos to tell political leaders "shape up, live up to your responsibilities and deliver for most people and not just for a few," as the organisation published a report that says that the world's 26 richest people now own the same wealth as the poorest half of humanity. IMAGES of Davos, Byanyiama AND SOUNDBITES of Byanyiama