Benjamin Kunkel reflects on what led him to his preoccupation with Marxist—or "Marxish"—political economy, in this excerpt from Utopia or Bust: A Guide to the Present Crisis, his new collection of essays. To the disappointment of friends who would prefer to read my fiction—as well as of my literary agent, who would prefer to sell it—I seem to have become a Marxist public intellectual. Making matters worse, the relevant public has been a small one consisting of readers of the two publications,