During the Cold War’s early years, the United States tried to overthrow the Syrian government in one of the most sustained covert-operations campaigns ever conducted.

Lee Kuan Yew has observed that “it is the collective memory of a people, the composite learning from past events which led to successes or disasters that makes a people welcome or fear new events, because they recognize parts in new events which have similarities with past experience.” And in a region of the world where memories are long and history matters, past events indicate that overtly arming the Syrian rebels could amount to an even bigger kiss of death.