A University of Michigan student was removed from the school’s Residence Staff for asking what an acronym meant and was called “racist” for laughing at a subsequent joke. The student, identified by the school’s newspaper only as “Chris,” was having a text conversation with other Resident Staff members over the internet. At one point he noticed that one member, who happened to be an African American woman, changed her handle to “Markley’s BBW.” Mary Markley Hall is a residence hall at the university. Chris subsequently asked, “What does BBW stand for?” to which another staff member responded, “bad baby walrus,”...