Participants listen a panel session in the Congress Hall the last day of the 43rd Annual Meeting of the World Economic Forum, WEF, in Davos, Switzerland, Saturday, Jan. 26, 2013. (AP Photo/Keystone/Laurent Gillieron)

Photo by: Laurent Gillieron

Participants listen a panel session in the Congress Hall the last day of the 43rd Annual Meeting of the World Economic Forum, WEF, in Davos, Switzerland, Saturday, Jan. 26, 2013. (AP Photo/Keystone/Laurent Gillieron)