If Washington continues on the “take out Assad” road, they will provoke a major war with Iran and Russia. There is no gain except for Isis, in taking out Assad.
[they will provoke a major war with Iran and Russia]
Maybe that was the plan. (cough ... Turkey) /tinfoil off
The big picture is that the Saudis want a pipeline to Europe and Assad is in the way.
Russia does not want the pipeline built for obvious reasons.