 for the last 40 years. There is some debate about sort of the actual impact of Loper-Bright, which is the case that overruled Chevron, because there are other deference doctrines in place. But I think it's important for the listeners to understand just a couple of quick things. One is that agencies act only as instructed by Congress. So there is always a law passed by Congress, not by the agency, that controls the scope of their activities.