In a video interview, actress and U.N. Goodwill Ambassador Emma Watson gets education activist and Nobel Peace Prize winner Malala Yousafzai to do something she's never done before: call herself a feminist. The moment came in a live Q&A posted on Watson's Facebook page. The video, which was promoting Yousafzai's film "He Named Me Malala," has gone viral with 4 million views in just two days. In th