In the first of a two-part profile, Daniel Boffey traces the incoming PM’s early forays into politics and his rise to prominence – ultimately leading to him leaving London for ManchesterAndy Burnham had emerged victorious, but niggling doubts remained about his mandate. It was the summer of 1987 and the 17-year-old had represented Labour in a school hustings as Margaret Thatcher and Neil Kinnock were battling it out in that year’s general election.“Andy was standing against another guy, a really nice guy who was the Conservative candidate,” said Steve Harrington, a former English teacher at St Aelred’s Catholic high school, in Newton-le-Willows, Merseyside. “Andy gave a speech, which was excellent, then the other guy came on to make his speech and Andy’s fans – unbeknown to Andy – snatched the plug out of the microphone. So they couldn’t hear what he was saying. Andy won by a landslide. Having said that, he probably would have anyway, as it was a heavily Labour area … But he was innoce...