By John Davison SAADNAYEL, Lebanon (Reuters) - U.N. special envoy Angelina Jolie urged world powers on Tuesday to do more to end Syria's five-year war and help the millions who have fled the conflict, as she visited refugees in Lebanon's Bekaa Valley. The war has killed 250,000 people, displaced half of Syria's population and created Europe's worst refugee crisis since World War Two. Talks on a...
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