DAVOS/SWITZERLAND, 26JAN12 – William H. Gates III, Co-Chair, Bill & Melinda Gates Foundation, USA captured during the session ‘Global Economic Crisis: Role and Challenges of the G20’ at the Annual Meeting 2012 of the World Economic Forum at the congress centre in Davos, Switzerland, January 26, 2012. Copyright by World Economic Forum swiss-image.ch/Photo by Sebastian…