 She's not saying that it's impossible to have a special counsel appointed. She's saying if you are going to do it, there are specific pathways that are permissible under the Constitution to do it. And the Justice Department just didn't take one of those pathways here. This was widely seen as the strongest of the cases against Trump, though a trial was highly unlikely before the election in November. Now, those odds are about zero. Jan Crawford, CBS News, Washington.