Ratzinger can't force McCarrick to do anything. A new conservative Pope who actually believes in Catholic Dogma may be able to but Ratzinger can't.
JPII doesn't believe in Catholic Dogma?
Bishops are free to refuse the Eucharist if they choose; that's what the USCCB statement said. It's a prudential judgment, especially in an election year.
The USCCB statement was as forceful a statement as could be issued, without a direct confrontation. The idea that 183 bishops (some very consevertive bishops)are all somehow corrupt on this issue is just nuts.
I mentioned this thing myself, on my site.
Ratzinger wouldn't. He's not really conservative, and doesn't really confess Catholic dogma.
A holy Pope is in the future, at some point. Whether it's the next, no one knows, of course.