This week's Epistle text is quite different in flavor and savor from the rest of Paul's letter to the Ephesians. In fact the whole unit from 4:17-5:20 is often thought to be a post-Pauline insertion into the text. The first three chapters of Ephesians concern themselves with wide-angled lofty theological surmisings on the cosmic nature of Christ. As chapter 4 begins, Paul shifts his theological gaze to the now perpetually incarnated body of Christ - the Church. Because of the universality of Christ's lordship, Paul proclaims a freedom for diversity within the Church itself. But this diversity is possible only with a commitment of obedience to the person and mission of Christ. What constitutes this obedience is the topic for Paul as he narrows and pragmatizes his theology in the second half…