United States Presidents are some of the most amazing men (and someday women!) in history. Reading their personal letters helps give insight into their minds. Sometimes funny, sometimes poignant, Mental Floss's list is a must-see. Here's one example, a letter by a 10-year-old JFK A Plea for a raiseBy Jack Kennedy Dedicated to myMr. J. P. Kennedy Chapter I My recent allowance is 40¢. This I used for areoplanes and other playthings of childhood but now I am a scout and I put away my childish things. Before I would spend 20¢ of my ¢.40 allowance and in five minutes I would have…

