What we've seen from Donald Trump has been so negative that nobody wants to be associated with that.

I want to invest in hard-working families.

I think Americans have every reason to be worried about ISIS and the network of terrorist groups, because they have proven to be sophisticated and effective in wreaking violence and murder in many parts of the world, including in San Bernardino with their somehow connected radicalization of that couple there.

America is a nation of immigrants, and we should treat those who come to our country with dignity and respect.

All people deserve to be treated with dignity and have their human rights respected, no matter who they are or whom they love.

Right now - and this is something Donald [Trump] has supported, along with the gun lobby - right now, we've got too many military- style weapons on the streets. In a lot of places, our police are outgunned. We need comprehensive background checks, and we need to keep guns out of the hands of those who will do harm.

We can build a new modern electric grid. That's a lot of jobs; that's a lot of new economic activity.