To shift America (and the world) to a cleaner energy economy, millions of people will have to go to work in new industries. This necessary shift opens up tremendous new opportunities for work and wealth creation.

People forget: solar panels don't put themselves up. Wind turbines don't manufacture themselves. Businesses don't retrofit themselves to waste less energy and water, nor do homes weatherize themselves.

[Donald Trump] has a tremendous opportunity, you know, this week, to come out and say I don't want that.

We actually need conservatives to be better conservatives and we need liberals to be better and stronger liberals.

There seems to be a passive alliance between Vladimir Putin and Donald Trump and that's unprecedented in its form and dangerous in its content, because Russia is our most dangerous geopolitical opponent because of the desires that they have in the Middle East and because of their desire to break up Europe. And in the United States, we spent a lot of blood and a lot of treasure trying to keep Europe intact and democratic, and trying to keep the Middle East from being only influenced by people who are massive fans of [Syrian President] Assad and massive fans of the Iranians.

All the old rules - if you say some crazy stuff you get your show canceled or you get your campaign ended - don't apply in the world of social media. They don't apply in the world of reality TV.

Let's stop wasting billions of dollars on prisons, which send people home who are too often less capable and more damaged than when they went in. We would have safer neighborhoods if we spent the same money on true rehabilitation, job training, employment and entrepreneurship.