to a certain level, and then people feel comfortable enough to start worrying about things like veermental purity. that's the theory. now, the question is do we have time for that in an age of rapid industrialization, and what the secretary was acknowledging is that when we were ramping up, we didn't give really any concern to any of this. she's acknowledging the hypocrisy of that, but times have changed. but times have changed. industrialization happened in a much different rate than 21st century industrialization does. so the environmental damage could be really compounded, and she's saying, look, we acknowledge our history, we still want to be leaders in this tri-- david: hold on, mike. because mike does bring up a point, which is we are developing much more rapidly. but we have means of reducing pollution now than far more scientific. >> for example, lead in the air, we know that's bad for you. we've reduced that 97%. if she's so concerned about having a clean atmosphere, not having carbon, how about going full blast on nuclear power? hello. i didn't see her pushing that and apologize.