Climate change is such a consequential crisis to everybody in the world.

[Donald Trump] attitude towards our longest defense alliance and NATO, that we should somehow walk away from it.

The need for peace in Northern Ireland goes well beyond political stability. It now speaks to regional Europe and even global stability.

I think it's only fair that Americans take into account who can keep them safe. Who has the best ideas for defeating ISIS. And protecting us here at home. I think I have laid out what I believe would work.

I've always been intrigued by the Senate, and admired many of the people who have served there.

Often those who are denied rights are least empowered to bring about the changes they seek.

It plays right into the hands of ISIS. And that's why Americans need to know that Donald Trump's words are being used in recruitment videos that ISIS is putting out. I think that is a very serious problem.