Barack Obama: “We can't just leave it to our professionals to deal with the problem of these kinds of horrible killings.”

A drift towards extremism was "not inevitable

When we choose, when we make that decision, I do believe – and there is evidence for this – that the world gets incrementally better, and that is a worthy goal and it’s worth fighting for.

People need to “rediscover what’s the story we tell about how we’re going to live together, and see each other, and recognise each other, and disagree, and yet, still care for each other”.

I’m going to insist that we can do better than we’re doing right now.