"This was a document that was very widely circulated," he added, without noting that the Millennium plot after-action review was considered so sensitive that it received the government's highest-coded security classification.

Crowley did not say who circulated the document or when - and gave no indication whether Sen. John Kerry's presidential campaign had received a copy.

The former National Security Council spokesman now works with the Center for American Progress, a Democratic Party advocacy group aligned with the Kerry presidential campaign.

Editor's note: