US had to act after Syria's 'red line crossing'
After US spy agencies concluded with a "high degree of confidence" that Sarin has been used in Syria, President Obama had to do something.
Washington Correspondent Robert Moore covers all major North America stories for ITV News and led our coverage of the US presidential race in 2012. He is one of ITV's most experienced correspondents and has previously been based in London, Moscow, Brussels and Jerusalem
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After US spy agencies concluded with a "high degree of confidence" that Sarin has been used in Syria, President Obama had to do something.
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