And now, he has a name, of a man who fits the bill as Kennedy’s killer, who is said to have confessed his involvement in the assassination before being killed in a commando-style raid on Cuba. “I have tried to write a book for the sane citizen that is open both to the lone assassin theory and something more complex,” says Summers. “The evidence that Oswald fired is pretty strong but also full of weaknesses. Why, if it was Oswald alone, do 1,171 CIA documents on the subject remain classified in the year 2013? There is no doubt something was...