On November 22, 1963, a murder was committed in Dallas, Texas. The victim happened to be the president of the United States. More than forty years later, the case remains unsolved. Nearly 80 percent of the American people don't believe that John F. Kennedy was killed by a lone gunman, and the House Assassinations Committee has found that the president was "assassinated as the result of a conspiracy." Yet the conspirators have never been identified...