She's not saying anything. And perhaps she likes to keep us in suspense. But someday, one day after she decides that being a Senator is not challenging enough for her, she might take part in the election campaign. Afterall, she's the former first lady. Afterall, she represents all the women in the United States. Even if she loses to Howard Dean or Weasley Clark, it doesn't really affect her emotional well-being. As long as she believes that someday she could prove to Bill Clinton that she can do his old job better than him.