Barack Obama: “We are urging Iraqis to come together to turn the tide against ISIL.”

Use that hope to make a difference. Get involved.

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.