The Leveson inquiry has, understandably, focused on how to regulate press content, complaints and standards. All important stuff. But part of Lord Justice Leveson’s brief is also to think about plurality – how you stop media power being concentrated in a few hands. It’s a complex subject, as Ofcom’s latest review makes plain. But it is every bit as important as the remodelling of self-regulation, if not more so, and now the judge has barely six weeks left in which to consider the issue.