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Samantha Power

53 - Samantha Power
US Ambassador to the UN
Power was appointed to her post as the chief US representative to the UN in 2013. Known for her aggressive advocacy for humanitarian issues, the Irish-born former journalist is a close ally of President Obama. Since her appointment, she’s been busy trying to manage the global response to the conflict in Syria, an area where she has been vocal in her strong support for intervention. How effective she is at getting UN support for US policy in Syria and Iran, another powder keg, will dictate her legacy. 

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