Britain’s nurse leader has told how she quit the NHS because it was forced to allow “disastrous” corridor care. Former hospital cleaner Professor Nicola Ranger worked her way up to become one of the country’s top nurses and now leads the world ’s biggest nursing union. The Royal College of Nursing’s new General Secretary said she ended her glittering NHS career running frontline nursing early after realising she would have been forced to oversee changes that would “take years to recover from”.