Assessing an NFL roster usually requires two lenses through which to view: the short-term and the long-term. As coach Bill Belichick and vice president of player personnel Scott Pioli formulated the New England Patriots' 2007 roster, they unquestionably were riding that short-term/long-term seesaw, balancing the goal of winning now without sacrificing the future. As the season's beginning draws near, we take a position-by-position look at the Pats, and ask you to tell us what you think of the team. (Scouting reports by Mike Reiss, Globe Staff)