5 ms·The difference with Catholicism being that it has one indisputable leader.by ginko 12y agoThe difference with Catholicism being that it has one indisputable leader.schoen 12y agoMostly indisputable. :-) https://en.wikipedia.org/wiki/Antipope https://en.wikipedia.org/wiki/Antipopeginko 12y agoWhich lead to mutual excommunication(as these things usually go).