The spiraling chaos in the Mideast

First, a flashback:

Critics for decades have accused Saudi Arabia of purposefully fostering a Yemeni government too immature to ever pose a state threat to Saudis. "Keep Yemen weak," King Abdul Aziz is supposed to have told his sons on his deathbed, in one of two such warnings the founder of the modern Saudi state handed down to his sons and grandsons.

Well, Yemen is weak and out of control, and this is the state of events: "Saudi Arabia says it shot down Scud missile fired from Yemen."