`  == What in the world is this? ==  :According to Joan Hollinger, a professor at the University of California, Berkeley, Boalt Hall School of Law, ``Constitutional scholars agree that the amendment cannot be effective retroactively.``[27] This is a reference to the prohibition of ex post facto law by Article I, Section 9 of the United States Constitution.  Huh?  That makes as much sense as quoting a law professor as saying that the amendment would apply on Tuesdays, because scholars agree that all amendments apply on Tuesdays unless they specifically say otherwise.  The only way this could be more than an irrelevant remark is if there was debate over whether the amendment was retroactive.  However, no such debate is mentioned in the article.  I suspect that the intent of this paragraph was to say that existing marriages cannot be invalidated because laws aren't retroactive, but that you can't get away with making a WP:SYNTH like that, so it was whittled down to this pointless-by-itself quote.   `