What is really going on here? For decades Renata Adler has been asking and answering this question with unmatched urgency. In her essays and long-form journalism, she has captured the cultural zeitgeist, distrusted the accepted wisdom, and written stories that would otherwise go untold. As a staff writer at The New Yorker from 1963 to 2001, Adler reported on civil rights from Selma, Alabama; on...