The Man on the Grassy KnollThis remarkable journal is a detailed account of the author's role in the assassination of President John Kennedy. In 1963, John D____ was a senior varsity baseball player at an eastern university. An accomplished marksman, John was also fluent in Spanish. In the spring, he was contacted by an individual identifying himself as Edward Smith, who claimed to work for an intelligence branch of the United States government and had, it seemed, supporting