These are uncertain times for literary scholars. The era of big theory is over. The grand paradigms that swept through humanities departments in the 20th century — psychoanalysis, structuralism, Marxism, deconstruction, post-colonialism — have lost favor or been abandoned. Money is tight. And the leftist politics with which literary theorists have traditionally been associated have taken a beating. In the latest sign of mounting crisis, on April 11 the editors of Critical Inquiry, academe's most prestigious theory journal, convened the scholarly equivalent of an Afghan-style loya jirga. They invited more than two dozen of America's professorial elite, including Henry Louis...