By the midterm elections in 2014, Julián Castro's memoir will be on bookshelves nationwide. New York-based Little, Brown and Co. will announce today that it has acquired the rights to publish Castro's yet-to-be-written book in English and Spanish as well as an audio version. The memoir will be published in 2014, the publishing house says. Since delivering the keynote address on the opening night of the Democratic National Convention, Castro has become a national figure, and widely discussed as a future president. “We think Julián has a very universal story, filled with drama, struggle and achievement and it will appeal...