>> he said go tell them i'm here, can i help. as soon as he said he was there, i said yes he can help. he's an instructor. >> in the past bad communication has led to disaster. now all hope is riding on teamwork to avoid a catastrophic outcome. coming up, the final shocking seconds of united flight 232. >> there was an announcement that this is going to be a seriously difficult landing. it's the little things in life that make me smile. spending the day with my niece. i don't use super poligrip for hold, because my dentures fit well. before those little pieces would get in between my dentures and my gum and it was uncomfortable. even well fitting dentures let in food particles. just a few dabs of super poligrip free is clinically proven to seal out more food particles so you're more comfortable and confident while you eat. so it's not about keeping my dentures in,