‘Celebrity Traitors’ and ‘Strictly Come Dancing’, the biggest shows on BBC One right now, have been dominated by a pair of withering gay comedians delighting in their own comic mercilessness. And it’s a much-needed throwback to a long-gone era of Lily Savage, Julian Clary and Mrs Merton, writes Adam White Get the latest entertainment news, reviews and star-studded interviews with our Independent Culture email Get the latest entertainment news with our free Culture newsletter Get the latest