But more than 70 percent of voters in Oklahoma still approved a state constitutional amendment to that effect, apparently persuaded by anti-Islamic activists, and a few cynical politicians, that Oklahoma was about to be brought under Islam’s heel. After Muslim groups challenged the constitutionality of the “Save Our State Amendment,” a federal district judge issued a temporary restraining order. Last Monday, the judge, Vicki Miles-LaGrange, held a hearing to determine whether to issue a preliminary injunction against the measure, and said she would make a decision by the end of November. A federal injunction is warranted to save Oklahoma from...