Irene Vilar worries that her self-described "abortion addiction" will be misunderstood, twisted by the pro-life movement to deny women the right to choose. Her book, "Impossible Motherhood," which will be released by Other Press on Oct. 6, chronicles her own dark choices: 15 abortions in 16 years, much of it as a married woman. As press on the book has begun to leak out, Vilar -- a literary agent and editor --- says she has already sensed "an inkling of hatred." Vilar has scheduled only closed-door interviews and will not do a book tour. At the urging of her husband,...