mr. turley. guest: i agree with much of that.you want area where i would have a slightly different view is that i don't think a -- roberts -- the one area where i have a slightly different view is that i don't think roberts has shown the degree of influence over politics as others have. one of the reasons chief justice earl warren is ranked among the great chief justices is that he had incredible ability to form coalitions. this may have been a reflection of the fact that he was a politician, governor of california. warren southbound to create strong voices -- coming out of -- warren sought out to create strong voices coming out of opinions. also, chief justice marshall was a bit of a strong arm chief justice in that sense. roberts faces a much more difficult question. i agree with professor simon that he is very, very smart, has a great depth of knowledge of the court. i don't think he has as much influence over some of -- over most of these people. he is not going to change ginsburg's mind, he is not going to change the other j