continue this is morning. supreme challenge, the high court takes up a controversial challenge. country's healthcare law. we'll go live to the court for a preview of what's at stake. and as the search for the wreckage of malaysia flight 370 continues, we'll have reaction to the devastating news of the passenger's families. good morning. it's tuesday, march 25th. i'm luke russert in for chuck todd. chuck will be with us later this hour with more on the president at the hague. developing developing news on the west coast. workers will begin a fourth day of searching for victims in mud debris. no one has been found alive in days. instead, six more bodies were pulled from the mud on monday. raising the death toll so far to 14. officials say they are trying to