Local: Peter Garrett has vivid memories of his first visit to Berlin in the 1980s as front man of the Australian rock band Midnight Oil. ”Apart from the fact that we were playing in one of the dingiest clubs I’d ever seen in my life, there was this wall and it was so unthinkable to us, that there were Germans on this side and Germans on the other and history had somehow made this happen,” he said. A couple of decades on, Garrett is dressed in an impeccably cut brown suit, sitting on …