ON WEDNESDAY morning, Mike Zimmer told a story that offered an excellent example of something that has been missing in the Eagles organization for at least the last three years. When the Vikings hired Zimmer to be their head coach after the 2013 season, the first thing the longtime defensive coordinator did was sit down with Vikings general manager Rick Spielman to watch film. The goal was twofold: first, Zimmer wanted to evaluate the skill sets of the players he was inheriting so that he could adapt his scheme to accentuate their strengths and hide their weaknesses; second, and just as important, he wanted to explain to Spielman and his scouts what, exactly, he was looking to do with his defense, and the types of individual traits he prioritized/preferred at each position.