David Gergen actually said...

It's extremely unusual, so early in the term for former presidents to break ranks.

David Gergen comments on the rarity of former presidents publicly criticizing a sitting president so soon after their term.

10/19/2017

More David Gergen Quotes

Joe Biden floated the idea of a federation separating out Iraq. That attracted some admirers and a lot of critics.

No, it's all opposition. It's all opposition to the war as it's being conducted now. I think, talking to people around the country, my sense...

I think it will hurt the Democrats if it is perceived that they are simply a party of retreat; they simply want to cut and run.

I think you are going to see a lot of pressure now from the Democrats. They will step up the pressure to end this war in some way.