Showtime has released a new trailer and the official poster for the upcoming drama series City on a Hill. Created and executive produced by Chuck MacLean (Boston Strangler) with Tom Fantana (Homicide: Life on the Streets) serving as showrunner, the series takes place in early 1990s Boston and revolves around the relationship between an assistant district attorney driving change (Aldis Hodge) and a corrupt, veteran FBI agent (Kevin Bacon). In order ot make any kind of progress, the two must work together and navigate the murky, violent waters of the Boston criminal underworld. Ben Affleck and Matt Damon serve as …