Celebrity diplomacy: Can Nicole Kidman, Angelina Jolie or Leonardo DiCaprio really make a difference? My column today http://t.co/Cv4di0PTVq
— Daniel Flitton (@danielflitton) March 21, 2015

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I arranged to interview Maher Nasser, the head of the UN Outreach Division in New York, the person effectively in charge of deciding which celebrities are designated as "Messengers of Peace". I wanted to ask about the advantages and potential pitfalls of attaching a superstar to a cause.
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Angelina Jolie's recent appearance at refugee camps on the Syrian border, Nasser explained, had "ignited the wave of contributions" at a time UN agencies had been suffering a financial shortfall.
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