I absolutely love taking interventions from the hon. Gentleman. He is from my neck of the woods—he is from the Cynon Valley, while I am from the Rhondda—and we have always had a problem with people from the Cynon Valley.

The truth, as the hon. Gentleman knows as well as I do, is that I was not involved in those coalition negotiations. They were not successful, so it is a moot point. When  the Business Secretary was in the hon. Gentleman’s position he was a big fan of the mansion tax, but suddenly the Liberal Democrats were in government and just as with tuition fees and everything else they promised—[Interruption.]—including VAT, guess where it ended up? It ended up in the bin marked “false promises”. I challenge the hon. Gentleman that, when we come to the next election—[Interruption.] No, this is an open invitation—[Interruption.]