of this? well, i think they're able to -- people in the agency can say what they want. obviously these are retirees. they're able -- they're freer perhaps to talk about this. what's important it to have ongoing scientific inquiry about this and there may be points one side will make. the way you find truth is through open scientific engagement rather than trying to tell one side you're not intelligent, don't talk about it, don't address it. >> is there a sense that has not been the case? >> i think there's a real sense, that people who are skeptical about global warming unlike other areas, let's continue experiments, let's test hypotheses. there's people in favor of the man made global warming theory to dismiss and ridicule and try to humiliate who think this thing is probably not happening, or if it is, maybe there are more sensible ways to address it than doing something like cap and trade. there are things that you can do, for example, such as painting roof tops white, putting iron filings in the oceans to increase their ability