Baltimore definitely lived up to its former slogan “the City that Reads” as about as 500 people packed the main atrium of the Enoch Pratt Free Library Thursday to hear MSNBC’s Chris Matthews speak about his book “Jack Kennedy: Elusive Hero.” Matthews shared his insights on Kennedy’s early years, his illnesses and how they affected his life, and his drive to be a career politician, studying and mastering the craft of “retail politics.”