sherrilyn ifill is back with us, as well. thank you so much for taking the time this evening. this is a very powerful brief. it is a very powerful argument. i tried to summarize the key points there. tell us a little bit more about how you decided to sign onto it and what you hope people will take away. please we thought it was very important to bring these national security issues to the supreme court's attention. these are very loaded individuals but none of them have ever served in the military. so you talk about things like control of the military imports of military relations, how the immunity of a president from criminal actions, immunity meaning that he cannot be charged or prosecuted for criminal actions, how that would seriously threaten our national security because, for example, as you mentioned, the way the president would accomplish any of these goals to assassinate a political rival or to use uniformed military soldiers against demonstrators that he disagreed with, on our streets, something that is outlawed in the united states. the way he would do it is he would