I got on a What's My Line kick while searching for some Astaire vids and found this one. Amazing what was popular on television in those days. Bishop Sheen's tv program, Life is Worth Living was watched by 20 million viewers on 123 stations.
"Slavery ended in medieval Europe only because the church extended its sacraments to all slaves and then managed to impose a ban on the enslavement of Christians (and of Jews). Within the context of medieval Europe, that prohibition was effectively a rule of universal abolition. "— Rodney Stark