I'm pretty confident that if they were to decide to do this thing as described in the article it could be done and it would be easier then some might think. After all the Israelis seem to be able to penetrate Syrian air defenses at will.
Also, from what little I understand, the technology that allows them to do it (and it's not stealthy aircraft in the conventional sense) was gifted to them from U.S. tech.
Although frankly, if I was in the halls of power, I'd be more interested in seeing to it that the Free Syrian Army have a serious dustup with Hezbollah in Lebanon first.