“No canon excommunicates a Catholic for officiating at a ‘same-sex wedding,’”
There’s no canon because nobody imagined that our culture would become so reprobate as to need such. Well, there needs to be such a canon now. Joe is spitting in the face of Jesus. Is that not grounds enough for excommunication?
Probably not. Biden will simply say, (WWJD) “There is some speculation and a possibility Jesus was gay and he would have wanted me to do this”.