Conservative criticism of Kagan’s nomination might be getting more ink, but plenty of people on the left don’t want Elena Kagan to serve on the Supreme Court either. For years, Republican presidents have reliably appointed strongly conservative justices, while Democratic presidents kept nominating centrists. As progressive writer Mark Engler puts it: “Kagan is a needless concession to conservatives.” Next week OtherWords columnist Donald Kaul will discuss his problem with Kagan: her alma mater.