

Nobel Peace Prize winners Tawakkol Karman of Yemen (l.), Liberian peace activist Leymah Gbowee (c.), and Liberian president Ellen Johnson-Sirleaf display their diplomas and medals at City Hall in Oslo on Dec. 10. The peace prize committee awarded the prize to Ms. Karman, Ms. Johnson-Sirleaf, and Ms. Gbowee for championing women's rights in regions where oppression is common and helping women participate in peace-building. John McConnico/AP
American actress Rosario Dawson (l.) and British actress Dame Helen Mirren host the Nobel Peace Prize Concert in Oslo on Dec. 11. John McConnico/AP
Nobel Peace Prize winners, Liberian peace activist Leymah Gbowee (l.) and human rights activist Tawakul Karman from Yemen, appear on stage during the annual Nobel Peace Prize Concert in Oslo on Dec. 11. Leonhard Foeger/Reuters
Nobel Peace Prize winners, Liberian peace activist Leymah Gbowee (r.) and Liberian President Ellen Johnson-Sirleaf, appear on stage during the annual Nobel Peace Prize Concert in Oslo on Dec.11. Leonhard Foeger/Reuters
A general view of the Nobel Peace Prize Concert is seen in Oslo on Dec. 11. John McConnico/AP
Benin singer Angelique Kidjo performs during the annual Nobel Peace Prize Concert in Oslo on Dec. 11. Leonhard Foeger/Reuters
American singer Jill Scott sings at the Nobel Peace Prize Concert in Oslo on Dec. 11. John McConnico/AP
American singer Amy Lee of Evanescence performs at the Nobel Peace Prize Concert in Oslo on Dec. 11. John McConnico/AP
Nobel Peace Prize winners (from l.), Liberian peace activist Leymah Gbowee, Tawakkol Karman of Yemen, and Liberian president Ellen Johnson-Sirleaf hold hands in solidarity from the balcony of the Grand Hotel during a torchlight procession in their honor in Oslo on Dec. 10. John McConnico/AP
Nobel Peace Prize winners Tawakkol Karman of Yemen (c.) and Liberian peace activist Leymah Gbowee, behind, receive their diplomas and medals from Nobel Committee Chairman Thorbjoern Jagland at City Hall in Oslo on Dec. 10. John McConnico/AP
From left, Norwegian King Harald V, Queen Sonja, Crown Princess Mette-Marit, and Crown Prince Hakkon attend the ceremony of Nobel Peace Prize winners in Oslo on Dec. 10. John McConnico/AP