One of the best strikers in the world, the Scot talks about her career in blind football and the Euros Helga has spotted a pigeon just outside the changing rooms at Poltonhall Sports Complex in Bonnyrigg and it suddenly becomes clear from her ears, tongue and tail that she would very much like to chase it. But not today. She is a good girl, she resists the exciting temptation, and stays true to her task. Helga, a three-year-old black labrador, is a guide dog, partnered with the England women’s…