publication date: Tuesday, May 20, 2014 (part of Spring 2014)
clue: His favorite brick in the wall is the one in the middle.
explanation: The clue obscurely referred to the song "Another Brick in the Wall (Part 2)" by Pink Floyd, a protest song against the British education system, with its repeated refrain, "We don't need no education." Shekau was the leader of Boko Haram, a Nigerian militant Islamist group violently opposed to Western education, including in their very name. more…