 According to the Sunday Star Times, this and other documents "confirm, that months before the election campaign, that National Party MPs and staff... were fully aware of the Exclusive Brethren advertising campaign and that at least some MPs had seen the draft publications".The sources and alleged breaches by National in Hager's book remain controversial and have sparked a debate regarding the invasion of privacy versus the public interest.On 27 November 2006, the Greens called for further investigation.