I shook my head. "I'm not that dumb," I told him. He looked mildly offended-as though I'd added "even though you are"-but said nothing. I got to my feet. "You've got my number," I said. "Check in with me from time to time, I'll tell you what I've found. And you call me the moment you find out something." I opened the door and was halfway into the corridor when I thought of something else and turned back.