*2778Motion of The Cato Institute for leave to file a brief as amicus curiae granted. Motion of Liberty Justice Center, et al. for leave to file a brief as amici curiae granted. Motion of Georgia Goal Scholarship Program, Inc. for leave to file a brief as amicus curiae granted. Motion of Pioneer Institute, Inc. for leave to file a brief as amicus curiae granted. Petition for writ of certiorari to the Supreme Court of Montana granted.