She's the world's most famous widow, the often maligned, largely mysterious Japanese avant-garde artist whose relationship with John Lennon turned them into a single entitity. JohnandYoko. It took the death of John for he world to warm to her, yet she remains controversial and confrontational, an icon of unpredictability and the most misunderstood figure in the ongoing saga of the greatest pop group the world has ever known. Here's what she has to say about her extraordinary life.