Excommunication: When? SSPX? Vigano? Abortion?

Do we know that Excommunication is not a punishment? Do we know why it is given? Why isn't it given more? Was SSPX excommunicated? What are the 8 ways you can excommunicate yourself? What is the difference between Ferendae Sententiae and Latae Sententiae? Learn these answers and many more about Excommunication and what it really involves as Fr. Chris Alar puts it into an easy-to-understand teaching.