our thanks to john dan von. >>> and just ahead, a dangerous disease that has children fighting for their lives. and the main symptom is the giggle. down here, folks measure commitment by what's getting done. the twenty billion dollars bp committed has helped fund economic and environmental recovery. long-term, bp's made a five hundred million dollar commitment to support scientists studying the environment. and the gulf is open for business - the beaches are beautiful, the seafood is delicious. last year, many areas even reported record tourism seass. the progress continues... but that doesn't mean our job is done. we're still committed to seeing this through. my crowning achievement thus far. mom took a bunch of amazing pictures. but she can't share them. it's her data plan. she's stressing about overages because she already downloaded a fifteen megabyte cat video. [ laughing ] aww. you have to see this. i've already seen it, nana. like a hundred times. [ male announcer ] switch to sprint. the only network with truly unlimited data. ♪ pop goes the world ♪ it goes something like this ♪ e