The Kyrie Irving-boosted book and film Hebrews to Negroes: Wake up Black America will remain for sale on Amazon, CEO Andy Jassy confirmed, despite a celebrity-backed petition calling for their removal. In an appearance at the New York Times DealBook conference, Andy Jassy described the task of labeling or removing any works “whose primary purpose is not to espouse hate” a “very slippery slope.” Moderating content for sale on Amazon “is one of the trickiest issues we deal with,” Jassy said. “Some cases are more straightforward — if you have works that actively promote or incite violence, or teaches people...