Monday 11 January 2010 - in more detail
DUP leader Peter Robinson has announced he is to step aside for six weeks as First Minister amid the storm over his wife's private life and finances. Mr Robinson has designated Enterprise Minister Arlene Foster to take charge in the interim.
If Sinn Fein refuse to accept the situation Martin McGuinness would have to resign as Deputy First Minister, and his party would be seen as having brought down the devolved government. So what next for the power-sharing Executive?
Tonight we hope to speak to some of the leading players at Stormont.
Elsewhere, Gordon Brown is set to issue a rallying call to MPs at the PLP meeting tonight by setting out his election strategy and telling MPs they can defeat the Conservatives. Our Political editor Michael Crick will be considering what has changed since the failed coup to bring down the PM.
And it is eight years to the day since the first prisoners arrived at Guantanamo Bay. All this week on Newsnight we will be running a series of special films on the detention centre's legacy. Tonight we have the remarkable story of two men from Britain who were incarcerated there who have recently been contacted on Facebook by a former prison guard wanting to express remorse for his part in their imprisonment. An unlikely friendship.
And Jeremy Paxman will be asking Barbara Ehrenreich, author of Smile or Die, why blind optimism is so deeply ingrained in the American psyche.
Do join him at 10.30pm on BBC Two.