Need something done? Call Hugh Cornwell. Maybe. The singer-songwriter, novelist and keeper of the flame of The Stranglers is polite and friendly enough to ask me how he can help as we begin the call. Well, now that you ask, I’ve got some roofing issues that need to be sorted out after recent storms. “I may be able to when I come over [to Australia] but I’m afraid of heights,” Cornwell says. “So as long I don’t have to get up on the ladder …” Yes, well, apart from the roof bei