Lady Louise Windsor appears to be following the footsteps of her late grandmother in her latest move. The 21-year-old, who is the daughter of Edward and Sophie, the Duke and Duchess of Edinburgh , has been seen taking part in Army training, while in her last year at St Andrews University in Scotland . Louise, who is the late Queen's youngest granddaughte r, joined others from the University Officer Training Corps for a series of military-style exercises. And if she decides to pursue a career in