It seems to me that Elizabeth Edwards is saying what John Edwards is not yet ready to say for himself. My guess is however, that as the days and weeks go by, Mr. Edwards will be joining Mrs. Edwards in this sentiment. I think he is trying to give the impression that he is slowly coming to the realization that banning same-sex marriage is discriminatory and that he really does not see any moral harm in permitting two people of the same sex who love each other to marry. His wife is softening the ground for him.