Could we see even our newfound midlife invisibility as a source of power? In Harry Potter’s world, one of the most prized magical tools is an invisibility cloak. There are great advantages to being underestimated. Two of the best reporters I know are women in their fifties. They look so friendly and nonthreatening, if you notice them at all. They can lurk in any room without usually wary people remembering to keep their guard up. Then they write devastating whistle-blowing articles. The world ignores middle-aged women at its peril.