Live Wire celebrates Women's History Month by honoring some unsung heroes from the past; filmmaker Andrea Nevins shines a light on the challenges and triumphs of female comedians in her documentary Hysterical; writer Melissa Febos opens up about her collection of essays, Girlhood, which looks at the forces that shape the lives of girls and the adults they become; and genre-bending musical group Pink Martini performs a soaring cover of the 1970s hit "I Am Woman."