I think we ultimately ought to look to put all uranium enrichment and fuel reprocessing, if any is done, under multinational control. Those are the two technologies by which nuclear energy can be translated into nuclear weapons programmes.

When I need to see the president, I make a request directly to his scheduler. I don't have to ask anybody's permission to see the president except the president. Some weeks, I see him multiple times. Some weeks, I don't see him at all.

I don't like the term 'global warming,' because it's misleading. It implies something that's mainly about temperature, that's gradual, and that's uniform across the planet. And in fact, temperature is only one of the things that's changing.

My understanding is that Exxon, in particular, did fund a variety of small think tanks to generate what amounts to propaganda against understanding of what climate change was doing, the human role in causing it.

As somebody who's been writing about this subject for getting on twenty years now, it's astonishing how the climate has changed in the last five years.

I kind of had a quarter-life crisis before I did 'Rent.' I had done Glinda in 'Wicked' for a while. I had worked for Cirque Du Soleil, and then I did 'Hair.' Then I had a real quiet time, not having work, and it was a time of not only self-discovery of me as a person, but also what I wanted as an artist and actor.

Certainly for me, as an astrobiologist, science fiction has played an important role. One of the quandaries of our field is that we are trying to study and search for something - life - that we can't define in a rigorous way. We only have one example of a biosphere, so we can't really give a good definition.

We can no longer pretend that business is immune from the rising tide of environmental or social challenges or that companies can create value in isolation from the communities of which they are a part.