Donald Trump: "I was totally against the war in Iraq, saying for many years that it would destabilize the Middle East."

When Donald Trump laid out the fundamentals of his foreign policy at a Washington hotel conference room, he offered his go-to proof of sound judgment.

"I was totally against the war in Iraq, saying for many years that it would destabilize the Middle East," he said April 27, 2016.

Not in any way we could find. Let’s review the record of what Trump said when about the Iraq War....
http://www.politifact.com/truth-o-meter/statements/2016/apr/27/donald-trump/donald-trump-iraq-war-destabilize/