This update? http://www.guardian.co.uk/world/2012/aug/11/syria-us-turkey-no-fly-zones

"The imposition of no-fly zones by foreign powers were crucial in helping Libyan rebels overthrow Muammar Gaddafi last year. But until recently the international community has been reluctant to take an overt military role in Syria's 17-month-old conflict".

But not yet, they are only setting up a working group to handle the "intense analysis and operational planning" ...