"Once upon a time, there was a woman who discovered that she had turned into the wrong person." The woman is Rebecca Davitch, a fifty-three-year-old grandmother. On the surface, Beck, as she is known to the Davitch clan, is outgoing, joyous, a natural celebrator. Giving parties is, after all, her vocation -- something she married into after Joe Davitch spotted her at an engagement party in his family's crumbling nineteenth-century Baltimore row house,...