Barack Obama: “We are going to be able to improve our education system here in Puerto Rico and all across America.”

It is a decision about how do we face and embrace this finite amount of time we have on the planet.

A drift towards extremism was "not inevitable

If I had a blame pie for why politics is so polarised and why we're seeing a rise of populism in many places, it's because of that information that is going into our brains every day.

And I will fight for that, even if I don’t always think it’s going to win.