Agence France Presse: The UN food agency said the world faced a "silent tsunami" of soaring food prices ahead of a summit here Tuesday aimed at developing a plan to tackle a potential hunger crisis. The United Nations World Food Programme (WFP) said high food prices threatened to plunge more than 100 million people into hunger, ahead of the summit of policymakers and experts being hosted by Prime Minister Gordon Brown. "This is the new face of hunger — the millions of people who were …