Russian warplane goes down in Syria's northwestern town of Bayirbucak, near the Turkish border, on November 24, 2015.
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U.S. is 'only realistic leader' in Syria ISIS fight
Amanpour
Nicholas Burns, Former U.S. Ambassador to NATO, tells Christiane Amanpour the downing of a Russian jet underscores the need for American leadership.
01:40 - Source: CNN
Amanpour 1 videos
Russian warplane goes down in Syria's northwestern town of Bayirbucak, near the Turkish border, on November 24, 2015.
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U.S. is 'only realistic leader' in Syria ISIS fight
01:40
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- Source: CNN