>> process question number two, then. why publish thursday night as opposed to waiting for a third source or fourth source, knowing the stactionz of this story? >> we published because we were very, very confident in the sourcing of this story. we had been waiting. it's not like anthony walked into my office on thursday noon and said, i have this. we've been developing on a long period of time, with sources, with a -- and without getting into the details of sources, with a set of sources who were involved in these huge revelations, where at times we were way ahead -- >> sometimes i write stories and say i have a number of sources. i have more than that but i can't reveal. is that what happened in this case? >> it would -- i think you say what you say in the story and you stand by what you say in the story. i would say reporters sometimes describe someone as senior administration official and that