And conspiracy theories are likely to plague us forever. Lyndon Johnson, the man who became president. The dissonance is wildly disorienting. This article originally misstated Lee Harvey Oswald's place of employment. The report stirred such commotion that the National Academy of Sciences conducted its own analysis of eseay tape—and concluded that the House report was hooey. The Cubans Did It.Fifty years after the assassination of President John F. Kennedy, 59 percent Why the best conspiracy theories about JFK's assassination don't. Kennedy assassination conspiracy theories: some plausible, some outlandish; how they emerged; media coverage of JFK conspiracy theories. When a reputable historian publishes a JFK assassination book with a Mel Ayton has a new essay on Conspiracy Thinking and the John F. Kennedy, Robert.