AT&T is talking up the benefits of paid prioritization schemes in preparation for the death of net neutrality rules while claiming that charging certain content providers for priority access won’t create “fast lanes and slow lanes.” “[T]he issue of paid prioritization has always been hazy and theoretical,” AT&T Senior VP Bob Quinn wrote in a blog post today. But that’s about to change, because “business models for services that would require end-to-end management” have begun to come into focus, he wrote. “The rhetoric of this debate has centered on the concept of prohibiting fast lanes and slow lanes on the…