I realize I'm addressing this a bit late, but this is definitely a good read of how the Iowa Supreme Court made a fair, level-headed, and well thought out decision in regards to their constitutional definition of marriage:
Iowa's Gay Marriage Decision: What it Says and What it Means
I highly recommend you read how this decision "so clearly, cogently, and conscientiously dismantles and destroys each and every one of the arguments that the anti-gay forces have made — and continue to make — against sex same marriage."
Hear, hear! I loved it and
Hear, hear! I loved it and passed it on. Very well written decision!