rubin legal analyst for the rachel maddow show. always good to have you, here my friend.nto what liz cheney the congresswoman was saying here, saying that she is not going to allow trump to turn this into a circus. here is a question. is that avoidable? do you think the former president will even testify? >> let's start with the second question, first alex. whether he will even testify. because before you can turn a congressional hearing into a three ring circus, you have to show up what you are showing in the first place. and i'm not convinced that donald trump will do that. you will recall that when his testimony was sought in the mueller investigation, for example, is that lawyer rudy giuliani appeared on television and said he would essentially throw is dead body in front of former president trump, before he would allow him to testify. and, here trump does not necessarily have to manufacture a whole bunch of excuses to avoid testifying, as new york times others have noted, there are a number of legal reasons that the former president could interpose here is an excuse