The four witnesses, starting with Kate Adie, who helped write a new report on the issue by the Joseph Rowntree Foundation, were quizzed by a panel of Claire Fox, Steven Rose, Theodore Dalrymple and Michael Portillo. I was the third witness, but unfortunately the panel failed to ask me questions about the issue at hand, and instead jumped erratically around the wider immigration, and in particular my belief in open borders.

It was perhaps entertaining, but it failed to answer the question. The real issue is that our border controls don't work: they don't stop immigration, they make it costly and risky, and for the most part drive it underground. Surely it would be better if we legalised and regulated it instead? Listen here