There is no ignoring the fact that, whether you love him or loathe him, John Lydon is a punk rock icon and, judging by the number of punk rockers in the Leeds O2 Academy as Public Image Ltd arrives in town for the second date of their UK headline tour, there were plenty of people pleased to see him back in Yorkshire. An interesting night and very different from his days fronting punk rock troublemakers the Sex Pistols, there was no spit-flying or pint throwing, with most of the audience content to just sit and nod their heads along to the experimental nature of PiL’s material. It was a strange audience, too, from mohawked punk rockers who’d been around with Lydon since the days of the Pistols to the mortgaged with 2.5 children mums and dads who had maybe outgrown the days of their punk roc...