Participants have lunch at the 43rd Annual Meeting of the World Economic Forum, WEF, in Davos, Switzerland, Wednesday, Jan. 23, 2013. (AP Photo/Michel Euler)

Associated Press
Participants have lunch at the 43rd Annual Meeting of the World Economic Forum, WEF, in Davos, Switzerland, Wednesday, Jan. 23, 2013. (AP Photo/Michel Euler)
Participants have lunch at the 43rd Annual Meeting of the World Economic Forum, WEF, in Davos, Switzerland, Wednesday, Jan. 23, 2013. (AP Photo/Michel Euler)
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