A drama about Britain’s (and by the time Coronation Street reaches its 50th birthday in December, the world’s) longest-running soap starts with a huge advantage - its producers could just quote lumps of the brilliant original scripts, written by Corrie’s creator, Tony Warren, and be done with it. But Daran Little, himself a former writer on the show, resisted that urge (well, mostly) when penning The Road to Coronation Street, an affectionate and witty prequel that told us how the soap came about, or rather, how it almost didn’t.