It may be the most heated of all disagreements: For decades each side has been locked in bitter conflict, each wanting to obliterate the other. ProVoice: How To Keep Listening When the World Wants A Fight is a new book by Aspen Baker. It puts forth new approach which has already shown to be more humanely and productively dealing with this most volatile of issues. And Rush Limbaugh blasted her, so she must be doing something right!