Monday Jonathan Powell, Prime Minister’s chief of staff, 2001-07. Key involvement in planning for invasion and occupation
Tuesday Geoff Hoon, Defence Secretary, 2001-05. Accused of ordering military chiefs to delay preparations for invasion, and failing to secure funding
Wednesday Sir David Omand, Permanent Secretary Security and Intelligence Co-ordinator, 2002-05. Oversaw intelligence on Iraq’s weapons
Thursday Jack Straw. Foreign Secretary, 2001-06, now Justice Secretary. Key player in persuading MPs to send troops to support US-led invasion
Friday Sir Suma Chakrabarti, Permanent Secretary at the Department for International Development, 2002-07
Friday Sir Nicholas Macpherson, Permanent Secretary at Treasury, 2006-09. Did Government provide sufficient funds for operations in Iraq and Afghanistan?
A grand mix of those who'll be lying to protect their arses, and those who'll be telling the truth - for the first time - to protect their arses.
And a small chance - sadly a very small chance - that we'll finally hear some vital piece of evidence that will knock Saint Tony off his perch.
Make sure you've got plenty of popcorn.