Jazz historian, pianist and retired Rutgers-Newark Professor of Music Dr. Lewis Porter plans to spend more time on his own music these days. With that goal in mind, Dr. Porter gave his final Deep Dive analysis for WBGO this week, an in-depth analysis of John Coltrane's riveting instrumental "Alabama," which was the saxophonist's reaction to the horrific 1963 bombing of a church in Birmingham. Dr. Porter spent more than four decades in the educational sector but the administrative duties