desperate hours in the search for the missing titanic sub. still no sign of the craft as oxygen quickly runs out. plus a deadly tornado strike, three people killed in north texas, the state s second fatal storm in less than a week. and president biden is welcoming narendra modi for a state dinner even though some of his policies may be a little tough to swallow. welcome to our viewers in the united states and around the world. i m christine romans. we begin with just hours remaining until the air runs out on that titan submersible. the sub went missing sunday morning less than two hours after its launch to tour the rec of the titan . they had a 96 hour supply of oxygen and that is due to run out this morning. if they are still alive, and we re looking at dwindling oxygen, that the decrease in oxygen getting to the brain and that increase in carbon dioxide is a very panicky situation. you feel your world closing in. paula newton is live in halifax. what is going o
communications. no one has spoken with the titan since it vanished. the titan is in much deeper water. and yet even when pisces was pulled up, the men inside were terribly battered. they thought they would be smashed unconscious. the sub was rattling and rolling and spinning. at one point they begged for the lift to stop. reporter: there have been other undersea rescue attempts. in 1939 off the east coast, 26 men drowned, 33 were saved. in 2000 when there were a pair of explosions, despite early hopes for survivors, the entire crew of 118 apperished. and they are also widely different. rescuers must simultaneously look at the history and rewrite the book. tom foreman, cnn, washington.
and as he reported, while we look to history for a guide, history is unfolding right in front of our eyes. let s bring in david scott bedard. so nice to see you. thank you for coming by here. the entire world is fixated on what is happening in the atlantic ocean right now. even with all the known risks to travel to the ocean floor to see the titanic, it is still this object of fascination. why do you think the titanic is still such a draw that people would take such big risks to try to see it? well, adventurers will always take risks, whether it is cli climbing everest or sailing solo around the world. titanic is one of those unattainable things for most of us unless you ve been working in