In April 2002, Janine Latus's youngest sister, Amy, wrote a note and taped it to the inside of her desk drawer: "Today Ron Ball and I are romantically involved, but I fear I have placed myself at risk in a variety of ways." That same spring Janine was struggling to leave her marriage, to a handsome and successful man--a marriage in which she felt afraid, controlled, inadequate, and trapped. Ten weeks later, Janine had left her marriage when she learned...