yusef salaam. thank you so much. >> indeed, my pleasure. thank you. >> and on that point, he tells me that one of his main priorities is affordable housing for his constituents coming up on the program, life lessons from penguins, what climate correspondent bill, we're has learned travel willing the world. also ahead ten years on nearly 100 ceb ogg school girls are still missing their stories next, do you believe in your heart? >> yes. she's alive. i believe she's there. she's made blood and i believe she's i like houston, you >> are go for the debris in this guy. >> parents expensive wives gone. >> if you work in spaceflight, this is the worst possible thing i could ever happen >> thousands of pieces of debris or now pieces to a puzzle. i should have that test on day one >> i wish i could've done something differently. what i can undo that, you can just make it better, are those that follow space shuttle columbia, the final flight, two part finale tomorrow at nine on cnn >> why choose asleep numbers, smart bad? >> can it keep me warm when