AP Photo

Eyebrows were raised around the world Aug. 14 when Hamas security forces in Rafah swiftly, and brutally, destroyed an al-Qaeda-inspired group that had proclaimed the southern Gaza town an "Islamic emirate." After all, Hamas is listed by the U.S. and the European Union as a terrorist organization, and many in the West don't expect an avowedly Islamist political organization to forcefully suppress jihadist groups.

Yet, that's exactly what happened when pro-al-Qaeda cleric Abdel Latif Moussa gathered about 100 of his heavily armed supporters in a mosque to denounce Hamas rule and declared himself the "Islamic prince" of the new "emirate." Hamas security men moved in to disarm the group, and 24 people, including Moussa and about 20 of his followers, were killed in the...