Urged the court to overturn the law. the current white house has chosen not to defend it. that got a rebuke from the conservative wing of the court. he said the law appears to infringe on the power of night states and d.c. which allow same-sex marriage. shannon bream is live outside the building. what was your sense of their discussion inside today? reporter: there were a number-of-justices who expressed concerns about doma on a number of grounds. one was about the state versus feds issue. is this a blanket statement from the federal government on marriage when marriage is a issue left to the state who issues license and makes the rules. taking it further, like ruth bader ginsburg who said with doma in place there are two tiers of marriage. they re not treated the same.