I think the world is safer without Iran with a nuclear weapon. The world has got the potential to be safer if we fully implement the Paris agreement.

We are being Americans when we hold our government to account. We are being false to our troops when we send them to a needless war, betraying their trust when we shortchange them on protective equipment, and cheating them when we silently cut their benefits.

We don't need a president who just says, "Gentlemen, start your engines." We need a president who says, America, let's start our economy and put people back to work.

How do you ask a man to be the last man to die in Vietnam? How do you ask a man to be the last man to die for a mistake?

There's an agreement that Syria should be a unified country, united; that it needs to be secular; that ISIL needs to be taken on; and that there needs to be a managed transition, but there is a difference obviously in what that means and what that outcome may or may not be.

Under this [Bush] Administration, America's middle class has been abandoned -- its dreams denied, its Main Street interests ignored and its mainstream values scorned by a White House that puts privilege first.

Our troops are terrorizing women and children in the dark of night in Iraq.