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David Cameron, George Papandreou

David Cameron, Prime Minister of the UK
George Papandreou, Prime Minister of Greece

For those in politics and government, Davos has been a celebrated stage for decades, serving newcomers and veterans alike.

For Cameron, like others before him, the meeting offers a global debut for the UK's first Conservative Party Prime Minister of this century.

For Papandreou, it's a easy opportunity to show leadership, put a human (and brave) face on the Greek drama and talk to private investors, NGO chiefs and government leaders alike.

Photo (L-R): Peter Macdiarmid | WPA Pool | Getty Images || Miguel Medina | AFP | Getty Images