Gareth Porter : Israeli Intelligence principal source of claim that Syrian Government carried out chemical attack

See also by Gareth Porter :

http://democracyandclasstruggle.blogspot.co.uk/2013/08/in-rush-to-strike-syria-us-tried-to.html

http://democracyandclasstruggle.blogspot.co.uk/2013/08/syria-us-intel-no-smoking-gun-no-direct.html