Horrendous killing of college sophomore highlights the country’s ethnoreligious fault line, but interdenominational rivalry in the south is of no less moment. All in all, reactions to the murder of Ms. Deborah Yakubu, a 200-level home economics student of the Shehu Shagari College of Education in Sokoto, have exposed Nigeria’s deepest political fractures and lingering questions over citizenship, national identity, and secularity. On May 12, following disagreement over a WhatsApp voice note deemed to have been blasphemous against Islam and Prophet Muhammad, a mob comprising some of the twenty-two-year-old’s schoolmates brutally clubbed and stoned her to death, after which they proceeded to incinerate her body.

The Center for Preventive Action has compiled an accessible overview of the Afghan peace negotiations, including the U.S.-Taliban agreement, the U.S.-Afghan government joint declaration, and the ongo…