When the Episcopal School of Dallas was sued in Texas state court for alleged negligence in an alleged sexual relationship between a former student and a former teacher, the plaintiffs challenged the School’s state law charitable immunity defense by questioning whether the School actually qualified as a charity under Section 501(c)(3) of the federal Tax Code. The School claimed the controversy created “federal question jurisdiction” to remove the case from state to federal court. A federal District Court in Texas has said: no way. It has remanded the case to state court for further proceedings. “A case may not be removed to federal court on the basis of a federal defense even if the defense...