The American people and freedom-loving people everywhere will end up paying that price: U.S. defense systems out of Europe, Spratling Islands to China, Taiwan to China, etc., etc.
... and 2-1/2 million Christians in Syria slaughtered.
No way will Russia sanction any US military action against Syria. Putin is looking to fill the vacuum in the ME. He will supply the Egyptian military with weapons like they did in the past along with Iraq. They will continue to furnish Assad with weapons.