Polly Toynbee and David Walker will be live online this afternoon to discuss their book on Tony Blair's second term. Feel free to post questions any time or join in the chat as it happens from 3pm.
We're following with interest the revelations accidentally emailed to the BBC about the release of Treasury documents relating Black Wednesday, and are digging out the Guardian's archive reporting on Britain's ignominious 1992 exit from the Exchange Rate Mechanism. In the light of that slip, and Alastair Campbell's unfortunate Blackberry boob to Newsnight, Jane Perrone will be updating her must-read guide to email etiquette.
In Madrid a bomb has exploded near a site due to be visited later today by the king and queen. The attack came after what is thought to have been an Eta warning. Simon Jeffery will be looking at the current state of the Basque separatist group.
And it's a big day for supporters of England's sporting endeavours. Guardian Unlimited Sport's Rob Smyth will be providing over-by-over commentary on the fourth one-day cricket international in South Africa from midday, and at 8pm Barry Glendinning will be following the England-Holland friendly from 8pm.