The Celtics were one game (or one quarter, one knee injury) away from winning an NBA title last season, so the team's motivation this season is clear. But in order to finish the job, the Celtics must once again tap into the fountain of youth and deal with not only the Lakers, but also with the newly formidable Miami Heat. Shaquille and Jermaine O'Neal are on board for this run, as is Delonte West. Can the Celtics stay healthy? Will the personalities mesh? Check out the story lines for what figures to be an exciting Celtics season.