Donald Macintyre's Sketch: Iain Duncan Smith plays cards close to chest on welfare plan

For a man who has just signed off on a deal with George Osborne to cut £12bn from the welfare budget, Iain Duncan Smith seemed ominously vague about how. Labour’s Stephen Timms wanted to know whether those on lower or average incomes would be better or worse off after the cuts. The Work and Pensions Secretary’s answer was a classic of the “That’s for me to know and you to find out” variety. “We are looking at welfare, and at how to reform it. When we are ready, I will come forward with an announcement.”