Global food security is a hot topic here at the World Economic Forum (WEF). Will we hit on an easy solution to this enormous challenge in five days in Davos? Of course not.But where else will you find all the big players -- government leaders, representatives of community groups, farmers, scientists, the heads of major food/beverage/commodity companies, along with folks like me from the NGO community -- together in the same place?That's one reason I've been pleased to participate in meetings here on transforming global food systems.

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