It is our job to figure out what happened and do everything we can to prevent it from ever happening again.

I know from my own experience that you've got to be ready on day one. There is just too much unpredictable threat and danger in the world today to try to just say wait, I'll get to that when I can. That is just not an acceptable approach.

Islam is the fastest-growing religion in America, a guide and pillar of stability for many of our people.

Independent experts have looked at what I've proposed and looked at what Donald's [Trump] proposed, and basically they've said this, that if his tax plan, which would blow up the debt by over $5 trillion and would in some instances disadvantage middle-class families compared to the wealthy, were to go into effect, we would lose 3.5 million jobs and maybe have another recession.

The United States strongly condemns the illegal disclosure of classified information. It puts people's lives in danger, threatens our national security, and undermines our efforts to work with other countries to solve shared problems.

We do have the nuclear weapons agreement with Iran, that's an enforcement consequence, action for action, follow on. We have a plan, we will watch them, we will be vigilant.

[Donald] Trump has a great capacity to use bluster and bigotry to inflame people.He is becoming ISIS's best recruiter.