The Nobel Peace Prize on Friday was awarded to a Congolese doctor and a Yazidi former captive of the Islamic State group for their work to highlight and eliminate the use of sexual violence as a weapon of war. Denis Mukwege and Nadia Murad “have made a crucial contribution to focusing attention on, and combating, such war crimes,” the Norwegian Nobel Committee said in its announcement. “Denis Mukwege is the helper who has devoted his life to defending these victims. Nadia Murad is the witness who tells of the abuses perpetrated against herself and other.” Mukwege has treated thousands of...