of a president in the senate? >> well, that's a good question. there have been so few that we really kind of have to look at history and look forward as you mentioned er mentioned earlier to the legacy that might be left to determine how best to perform i think as both senators and as the chief justice presiding. i think that primarily we are looking for a decorum that rises above partisan politics to the extent possible in order to ensure that the american people get what they deserve which is a fair look at whatever the charges that are brought by the congress in the form of an impeachment might be. and we don't know what those are at this point. i think that in addition, the chief justice is going to have to adjust to a different environment. i'm not sure he's exactly relishing presiding in an