Gary and Tony...and the child who has two mothers

The focus of discussion of the CNN documentary, "Gary and Tony Have a Baby," has understandably been the birth of their child using the egg of one woman and the services of another as a gestational surrogate. But I want to comment on their other child, the one born to a lesbian couple using Tony's semen.What was remarkable to me about that child was that Tony (and Gary) so clearly understood that