It's worth remembering that your government is, by and large, not interested expanding your civil rights. While state and federal officials may be persuaded to keep them as is, given a choice, they will usually limit them. Of course, this is and has been done in the interest of 'public safety', so likely as not AOs will eventually be made illegal, so we can all sleep soundly knowing our elected officials are, once again, acting on our behalf by protecting us from baddies. Whether made popular by Hollywood or the media blowing the lid off another hot story, sooner or later these knives will become verboten.