water back out in order to get the workers in there to find out what the cause is of the leak in the first place. so there was a bit of good news, they did get more power hooked up to another control room there, so they can get a better idea as to what is going on with the reactors. but then we have a battle on two fronts, keeping the reactors cool and then figuring out what to do with all that radioactive water. that's the latest from here, thomas. back to you. >> all right, lee, thank you very much. the supreme court is hearing arguments at this hour in what could be the largest class action discrimination suit ever. pete williams is at the supreme court with more for us. >> reporter: thomas, this is a huge case. the largest class action discrimination lawsuit ever against the nation's biggest retailer. the question is, can this case go to trial, or is lumping so many complaints together, does that make it unfair for walmart to defend itself? for 25 years, christine has worked at a northern california sam's club, owned by walmart. she says she once asked why a