However, apart from the irony of another leak (and the desperation of Labour's news management), the best bit about this story is Harman's office attempt to wriggle out. According to the BBC, her spoken has said:
"The purpose of the meeting is to discuss the parliamentary business and handling of issues that arise from the fact that the speaker's statement and the Queen's Speech will be happening on the same day."
Yes, if you are going to have a meeting about Parliamentary procedure,
you invite the Head of the Civil Service, the Justice Secretary and the
Home Secretary (as well as the Labour Chief Whip) at less than 24 hours
notice; they are busy people, who enjoy nothing more than talking about