It's been 20 years since the U.N. women's conference in Beijing, where 189 countries adopted a platform for action to achieve equality for women, but Phumzile Mlambo-Ngcuka says that no country on earth has reached gender equality. The executive director of UN Women said that while there has been some progress — mostly in women’s health and girls’ education — violence against women and a lack of women in decision-making roles are "global phenomena" that make equality difficult.