na na na na nah [ cheers and applause ] >> jimmy: you can see a bonus song at jimmykimlelive.com.k ju lawpologies to matt damon. we ran out of time. tomorrow night, kim and kourtney kardashian, adam driver and music from halestorm. stay tuned for "nightline." good night. >>> tonight on looip "nightline." kitchen confidential. are you wasting hundreds of dollars a mont on food? our cameras go in one family's kitchen to reveal mistakes costing serious money. >>> unmasked crusader. he's fighting to keep the border safe from mexico's biggest pro wrestlers. see the unapologetic wrestler bringing it into the ring. >>> the hunt for osama bin laden that parted a senate investigation. the film screen writer opens up about the zero dark controversy. >> keep it right here, >>> from new york city, this is "nightline" with terry moran. >> thanks for joining us tonight. the numbers are shocking. each year americans throw away enough food to fill 730 football stadiums. to bring that closer to home, maybe, the average american family throws out $190 worth of food every month. and part of all that waste m

laws. >> u.s. attorney ben wagner to sit down with us to look over matt's case realize there is no jus nis sending this man to prison. >> he says the obama administration is sending mixed messages when it comes to medical marijuana. prosecutors called him a major league drug trafficker. >> a coordinated effort today all 55,000 school students received same lesson friday. the topic, online safety and cyber bullying. it's an important lesson considering 56% of the children report being bullied in this way. >> not don't do this or that. it's here are great opportunities. how do you think about what you're going to do when using media and technology. >> do your parents know what is going on on the internet? >> sometimes. not really. >> students learned about privacy, a key lesson, considering popularity of facebook intsagram. >> just ahead rescue of dozens of hostages in algeria. the trade terrorists want to make for americans still being held. >> a surprising new discovery on the dream liner. turns out fires on board may be result of oakland charging batteries. >> from sanford a leading expert weighs