why would a scientist from ohio somnath? could have been his motivation? >> is a puzzling set of his and i must say, i have a lot of very mixed feelings. there are those who suggest that mr. ivins may not even if the person responsible. i give credit to the fbi for all of their work and bob mullins was very good about sharing his developments with me. but i have to say, what could motivate somebody to do that and whether it mr. ivins or somebody else, i guess the good news for us that the staff were exposed and not one had any lasting effects and we can be thankful for that. obviously very troubled by that experience in the realization that it could happen again, to be in a position to protect ourselves much more proactively is something we can live up to. >> bursitis by somebody else. there are other thing that death to israel and things like that. [inaudible] >> or anything else. >> just in passing, i would like to know what instrument used to carve your name on that board. a lot is used and misused by the filibuster is another part of senate procedure t