Three women awarded Nobel Peace Prize

Three women were  awarded  the 2011 Nobel Peace Prize on Friday, becoming the first women to win since 2004. Liberian President  Ellen Johnson Sirleaf, Leymah Gbowee, also of Liberia, and Tawakul Karman of Yemen will share the award. The Norwegian Nobel committee  honored  the three women for "their non-violent struggle for the safety of women and for women's rights to full participation in peace-building work." Johnson Sirleaf is the first democratically-elected female head of state in Africa, Gbowee is an activist, and Karman is a leading figure in Yemen's pro-democracy movement. Bola Mosuro  of the BBC's Focus on Africa program talks about the life and career of Ellen Johnson Sirleaf.