Tennis beauty ANNA KOURNIKOVA has already composed her will - at the tender age of 23. The Russian stunner, girlfriend of pop hunk ENRIQUE IGLESIAS, has decided she wants everything divided up now - and she's also made an official decision on whether or not a family member will pull the plug on her, should she end up in a vegetative state. She says, "I think everybody should do that. It's really, really good. I think it's just something very important. "I like to have everything kind of in order. I'm a little too organised. I have every single paper...