Forty years ago this month, Bob Geldof unleashed his “global jukebox”. With the help of Midge Ure and promoter Harvey Goldsmith, he staged a concert across two venues on either side of the Atlantic, starting at midday on Saturday July 13 1985 in London and ending at the John F Kennedy Stadium in Philadelphia 16 hours later. Around the world, 1.7 billion people tuned in, and it is seen as one of the great charity success stories of all time, raising $140 million for famine relief in Ethiopia.* Live Aid was so big that it has its own folklore: Status...