Just 31 when he delivered the finest scoop of his career, Colin Mackenzie had already interviewed some of the world's most important and fascinating figures. He had grilled Margaret Thatcher, Richard Nixon, President Nicolae Ceausescu, actors Richard Burton and Elizabeth Taylor, the Led Zeppelin band and many more.His location of Ronnie Biggs and his lotus-eating existence in far off Rio de Janeiro was recently nominated as one of the best ten scoops...