Clear Quote by Stephen Harper

I have said the invasion of Iraq was a mistake. But I think if we're ever going to really tackle the problems posed by…

— Hillary Clinton

The invasion of Iraq was, in ways that have since become hard to dispute, a terrible mistake.

— Jacob Weisberg

I don't think any sensible person would disagree that the invasion of Iraq led to the massive level of instability that we're seeing right…

— Bernie Sanders

The mistakes of the Iraq war are not only tactical and strategic, but historical. It is essentially a war of colonialism, attempted in the…

— Zbigniew Brzezinski

Let me be clear, Mr. President, mistakes have been made in Iraq. And this operation has been far from perfect as evidenced by the…

— Elizabeth Dole

U.S. military action in Iraq: It sure didn't work out well last time. Let's not make that mistake again.

— Alan Grayson

The 2003 war in Iraq may be considered the greatest error in American policy since the Civil War. Its ramifications are earth-shattering and will…

— Malcolm Nance

I think that the decision to go to war in Iraq was a mistake.

— Hillary Clinton

This was a war that was based on lies. It was wrong for us to invade Iraq. It's wrong for us to occupy Iraq…

— Cindy Sheehan

Our failure was that our intelligence community thought [Saddam Hussein ] had stockpiled weapons of mass destruction. That was a mistake. There is fallibility…

— Colin Powell

Official intelligence on Iraqi weapons programs was flawed, but even with its flaws, it was not what led to the war.

— Bill Vaughan

I thought Iraq was the wrong war at the wrong time and have been fighting to get the Administration to stop its failed policy…

— Jim McGovern