Bellisario has tried to respond to my previous post (link to Bellisario, link to my previous post). I now respond by video (just audio, but with a mostly unrelated slideshow on top of it). This video discusses the fact that Catholicism cannot provide unity on issues like contraception. We sometimes hear claims that Catholicism's magisterium is needed to provide doctrinal and moral unity and certainty, but the facts belie this erroneous conclusion. The organizational unity of Rome may lead to doctrinal unity on some issues, but it does not on the contraception issue: one of the pet issues in Romanist apologetics today.