If it makes you feel any better, I nearly wet myself reading your saga.
This may help in the future: If you think he may need to relieve himself but he's not cooperating, put a couple of paper matches part-way up his back-side. I've never tried it, but it is in SEVERAL of the books that I have about showing dogs AND I've seen breeders that I respect utilize this trick. Something about the sulfur in the match heads stimulates the colon. If he doesn't go, do remove the matches!