In December, President Barack Obama said that he wished to see Iran ultimately become a “very successful regional power.” His wish — a nightmare for the Western-oriented Arab states — is becoming a reality. Consider: Gulf of Aden: Iran sends a flotilla of warships and weapons-carrying freighters to reinforce the rebels in Yemen — a noncontiguous, non-Persian, nonthreatening (to Iran) Arabian state — asserting its new status as regional bully and arbiter.