On Thursday, Samir Kassir, a prominent Lebanese newspaper columnist and long-time critic of Syria, was murdered in Beirut when a bomb exploded under the hood of his car. The following day, we learned that Syria had test-fired three missiles the previous week--one Scud B, with a range of 190 miles, and two Scud Ds, with ranges of 400 miles. The missiles, of North Korean design, are configured to carry chemical warheads, according to Israeli security sources; they can hit any target in Israel along with U.S. military installations in Turkey, Iraq and elsewhere in the region. There are several lessons...