WINNER OF THE 2013 PULITZER PRIZE FOR BIOGRAPHY General Alex Dumas is a man almost unknown today, yet his story is strikingly familiar -- because his son, the novelist Alexandre Dumas, used his larger-than-life feats as inspiration for such classics as The Count of Monte Cristo and The Three Musketeers . But, hidden behind General Dumas's swashbuckling adventures was an even more incredible secret: he was the son of a black slave -- who rose higher...