I think we`re all experiencing climate change. Experience is an effective teacher. It`s sometimes a very harsh teacher. So we will be taught about climate change.

Our hope is we move beyond denial and into debate... If we cleaned up the air, would it really be bad for us?

I think we`re all experiencing climate change. Experience is an effective teacher. It`s sometimes a very harsh teacher. So we will be taught about climate change.

There's a lot of Republicans who may have in the past been critical of fellow Catholics who they call 'cafeteria Catholics' who don't follow the church's teachings - say, on abortion. But now, are they going to become 'cafeteria Catholics' themselves and not follow the church's teachings on climate change?

We added Medicare Part D to a system facing bankruptcy and gave no thought to means testing it.

Most of us complain about Congress. We say it's a place that doesn't reflect us; they don't listen to us. Actually, Congress well reflects the American people. It gives us exactly what we ask for.

NSF is the only federal agency with a proven track record of selecting education projects through a rigorous, careful and competitive process that draws on a wide variety of experts from outside government.