Overview: An MP has defied the judiciary today by naming Ryan Giggs as the married footballer at the centre of a media gagging order. David Cameron has said that banning newspapers from naming such stars while the information was widely available on the internet was both "unsustainable" and "unfair" - but what is the answer? Are new laws required? Or can the press be trusted to regulate itself? Tonight we hear from the head of the Press Complaints Commission, the MP at the centre of the row, and a lawyer who has secured injunctions in the past. Then Justin Rowlatt reports from China on the difficulties men there are having finding partners if they do not first own property. Justin finds the situation is significantly impacting on the economy as men choose to save rather than splurge. And our Science editor Susan Watts is keeping an eye on the ash cloud from the Grimsvotn volcano in Iceland, which is expected to reach the UK by the early hours of Tuesday morning, the Met Office has said.