Leymah Gbowee, a speaker at TED2012, won the Nobel Peace Prize in 2011 for her pivotal role with Women of Liberia Mass Action for Peace, the women's peace movement that, in 2003, helped end the four-year-long Second Liberian Civil War. She shared the award with Ellen Johnson Sirleaf, the first female president of Liberia. In the wake of the controversy around Sirleaf's reelection, Gbowee was asked by the president to start a "national peace and reconciliation initiative" to address the growing political and ideological tensions within the country. Gbowee, the executive director of the Women Peace and Security Network Africa, speaks from the TED Conference about how peace is possible.