Lack of transparency. i'm not sure looking backwards now it bears much change, but going forward, it is important to understand to still get in and find out what happened, whether it was learning lessons at the local level for how to improve lab security, lab procedures or, again, trying to understand the virus at large and how we prevent it in the future. >> still lots of unanswered questions, and we need the answers. we need them soon. thanks so much for joining us. >> thanks, wolf. >> also tonight, extraordinary revelations by the head of the cia saying that china is now having doubts about...