What a shame Washington political and media elites couldn't briefly halt their uncivil domestic political brawl to applaud a victory over the world's most vicious international terrorist organization, the Islamic State group of Iraq and Syria, or ISIS. A more unified and strategically thoughtful reaction to ISIS commander, mass rapist, savage torturer, mass murderer and slaver Abu Bakr al-Baghdadi's justified slaying would have magnified the effects of the Pentagon's military operation by sending a clear and powerful message with moral weight and what strategists call "deterrence value" to challenge terrorist propaganda appeals. My obituary sketch of al-Baghdadi's documented atrocities is...