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ocea never came to my office to look at safety issues.had two sets of laws, one for the rest of the country and one for coupled. i got the government accountability act passed 1975in -- in 1995, so those laws ought to apply to congress as well. [applause] >> thanks for being with us here today. i have a question about cap and trade. in the. . . are you willing to support that? are you willing to strengthen other standards independent of cap and trade? >> i know the cap and trade. i knew the renewable portfolio standard issued. what is your question? what is your question? if it was independent of cap and trade? >> the answer is renewable portfolio standards would say as a matter of policy. a certain amount of electricity from renewable sources like wind comics cetera. the answer is it i would support it at a 15% rate. someone -- some people want 20%. i support 15%. the further it out it isike 25% or 20% is more astute. i have voted twice in the past four years for that. i am for a renewable portfolio plan. does that enter your question? -

ocea never came to my office. we had two sets of laws, one for the rest the country and one for capitol hill. i got what is called the government accountability act passed in 1995 so that all those laws applied to congress and the same principle ought to apply to what you are asking about. >> i have a question about cap and trade. it you have expressed -- you have expressed the will probably not be voting for cap and trade. are you willing to support that? are you willing to strengthen other standards independent of cap and trade? >> i know the cap and trade. i knew the renewable portfolio standard issued. what is your question? >> if it was independent of cap and trade? >> the answer is renewable portfolio standards would say as a matter of policy. a certain amount of electricity from renewable sources like wind comics cetera. the answer is it i would support it at a 15% rate. someone -- some people want 20%. i support 15%. the further it out it is like 25% or 20% is more astute. i have voted twice in the past fo

ocea never came to my office.o sets of laws, one for the rest the country and one for capitol hill. i got what is called the government accountability act passed in 1995 so that all those laws applied to congress and the same principle ought to apply to what you are asking about. >> i have a question about cap and trade. it you have expressed -- you have expressed the will probably not be voting for cap and trade. are you willing to support that? are you willing to strengthen other standards independent of cap and trade? >> i know the cap and trade. i knew the renewable portfolio standard issued. what is your question? >> if it was independent of cap and trade? >> the answer is renewable portfolio standards would say as a matter of policy. a certain amount of electricity from renewable sources like wind comics cetera. the answer is it i would support it at a 15% rate. someone -- some people want 20%. i support 15%. the further it out it is like 25% or 20% is more astute. i have voted twice in the past four years f

the earth, of course, had oceans early on, it was an iron-ri ocea early on, but there wasn't really much oxygen at all in the atmosphere. and then the atmosphere gradlly, as time moved along, got more oxygen rich we believe microbial life developed early on even without oxygen, and then more complex life, multicellular lif probably didn't emerg to much more -- until much more recent ri. on mars it's kind of a much dierent history. early on it was almost certainly much more water rich. how long the water stayed around, you know, for hundreds of thousands of years or for millions of years is a question that's being asked, but there's certainly evidence of water flow. early on thereere clays chemically formed by sface water, and we can see speck to scopic evidence of those from space right now. and that's probably the time, plausibly the time thatars was most habitable on the surface. thenhere was a period where kind of the surface chemistries got influenced by volcanos. you see these really huge volcanos on mars, and that certainly changed the chemistry, and there almost certainly was some