their already stated goals on where they want to be in terms of nuclear energy, wind, hide ro, sole -- soler, all those things. anything that wrapped all those together and said we'll be at least there. anything north of that point -- because these are pretty aggressive levels -- would be quite a commitment. >> the administration i know is somewhat concerned that not to repeat what they call the mistake of kyoto. of course the climate talks in 1997 that produced a commitment to reducing emissions among developed countries. the united states never signed, that never ratified that and the bush administration basically walked away from it. can you get some assurance that whatever commitment or promise or goal that the president makes at copenhagen won't also never be ratified, never be approved by congress, because congressional debate about climate change is extremely intense at this time. there's no indication that you would have the 60 votes in the senate that would be required to pass legislation. how concerned are you about that? >> well, looking at what, for example, prime minister rass m