Lorna Laidlaw is best known to television viewers as Mrs Tembe (she has a Christian name, Winifred but would never allow her colleagues to use it), the strait-laced, straight-haired Botswanan born receptionist in daytime soap 'Doctors'. Lorna however is a native Brummie, born on February 1 1963 - unusually for a baby with teeth. Brought up in Ladywood, Birmingham she joined a local youth theatre at the age of 15 and went on to train as a social worker but decided it was a thankless job and turned to acting instead, spending several years with …