BBC News political editor Nick Robinson apologized last week for originally identifying the London stabbing as having a “Muslim appearance” based on quotes given to him by law enforcement. Appearing on the News at Six the day of the Woolwich attack, Robinson explained that his law enforcement sources told him the perpetrator was of “Muslim appearance” and had reportedly been shouting “Allahu Akbar,” the Arabic phrase for “God is great.” The report apparently generated controversy, especially within the United Kingdom’s Muslim community, who felt the comment represented an unfair “racist generalization.” Several days later, Robinson took to the BBC website...