The 2011 Nobel Peace Prize has been awarded to Liberian President Ellen Johnson Sirleaf, Liberian peace activist Leymah Gbowee and Yemeni women's rights advocate Tawakkul Karman. The Norwegian Nobel Committee made the announcement Friday in Oslo, saying the three women will split the coveted award for "their nonviolent struggle for the safety of women and for women's rights." Committee chairman Thorbjoern Jagland praised the work of the three recipients, saying that "we cannot achieve lasting peace in the world unless women obtain the same opportunities as men." Ellen Johnson Sirleaf, 72, became Africa's first democratically elected female president in 2005....