So, their argument is that the introduction of ID into the curriculum was not meant to advance religion, but merely "reference to the possibility of supernatural causation"? What other kind of "supernatural causation" do they have in mind?
If we are to teach the science of "supernatural causation" in high school should we then inform students that all scientific investigation into "supernatural causation" reveals a phenomenon indistinguishable from one that does not exist?
So the attorney's argument is that it's not fair to ID proponents that science only studies the natural universe. And we're supposed to take this seriously?