Barack Obama: “We have unequivocally said that Israel's security is non-negotiable.”

It fortifies you to say that, yes, this has been part of the journey that we’re on.

Now the ball’s in your court, Iowa.

While we are non-partisan, we are not value-neutral. We have a point of view.

There’s no doubt that we are going through a period right now of disruption, polarization.