while if it gets more severe you have trouble with your coordination and neurological capabilities. ultimately death. >> horrifying. so, secretary ridge, there is an uncomfortable dejavu sense about all of this. we're told that there is no connection, none has been established between the terrorist attacks here in boston and the ricin letters. but it does have an echo of what happened after 9/11 with those anthrax attacks. what are your thoughts when you hear about these ricin letters? >> well, you use the right word. it has a resounding echo in my mind and in my heart because i think i was sworn in on october 8th. we had dealt with the trajectge of 9/11. there had been reports of anthrax. the following weeks there were additional reports of anthrax. your correspondents have demonstrated once again we've learned from those lessons and the experience of 9/11 and the anthrax. what have we learned? they sort the mail not at