Our series A More Perfect Union aims to show what unites us as American is far greater than what divides us. In this installment, we bring you the story of Susan Unterberg, a 77-year-old photographer who used her inheritance to advance the careers of female artists without identifying herself until recently. The grant named "Anonymous Was a Woman" pays homage to women in art who once believed their work had more value if their gender was kept a secret. Alex Wagner reports.
