Sanitary pads are leaving the realm of Kotex commercials, hushed women’s conversations and the deep recesses of purse pockets. For women in Uganda, they have become the difference between hope and desperation. Tune in for today’s "The Oprah Winfrey Show" as Oprah delivers a call to action for all women.  Inspired by the New York Times best-selling book "Half the Sky" by Pulitzer Prize winners Nicholas Kristof and his wife, Sheryl Wudunn, this eye-opening hour reveals powerful stories of women overcoming ...