sound of the implosion, and when it may have occurred. late today, the coast guard revealing a remotely operated vehicle discovered five major pieces of debris, 1,600 feet from the wreckage of the titanic. roughly 2 1/2 miles down on the ocean floor. the coast guard says all indications suggest a catastrophic implosion, possibly at the moment contact was lost five days ago. families of the passengers notified immediately. the search for more debris continuing at this hour. growing questions about safety. the concerns about tiny cracks in the sub worsening with each dive. and the abc news exclusive, two of the world s fore most experts on the titanic, robert ballard and james cameron, here tonight. discussing a second tragedy at that very same famous site. i m struck by the fact that somehow individuals, companies, have attack on the largest nuclear power plant in europe. our team with the medical units on the front lines. what our ian pannell witnessed inside the trauma hos
18-year-old who walked into a classroom and murdered in cold blood more than 20 people, including 19 innocent children. it s unbearable news for many of us, me included. the country is broken. something is wrong here. there is something in our culture that s rotting. we all know something is wrong. fixing it will be hard. i want to be straight with you. the america my kids are growing up in is not the america from three decades agree i grew up in. and guns have nothing to do with why it s different in were guns around back then. the america i group in, real guns and toy guns were woven into our daily lives. i grew up in queens. i jump on my bike and go to liberty park in glendale and i played war with toy gurns all day. a specific friend of mine group around shot guns and rifles. their friends would bring them to school in the back of their trucks in a gun rack right there in the parking lot. parents were paralyzed with fear every time their kids board bus to go to those scho
18-year-old who walked into a classroom and murdered in cold blood more than 20 people, including 19 innocent children. it s unbearable news for many of us, me included. the country is broken. something is wrong here. there is something in our culture that s rotting. we all know something is wrong. fixing it will be hard. i want to be straight with you. the america my kids are growing up in is not the america from three decades agree i grew up in. and guns have nothing to do with why it s different in were guns around back then. the america i group in, real guns and toy guns were woven into our daily lives. i grew up in queens. i jump on my bike and go to liberty park in glendale and i played war with toy gurns all day. a specific friend of mine group around shot guns and rifles. their friends would bring them to school in the back of their trucks in a gun rack right there in the parking lot. parents were paralyzed with fear every time their kids board bus to go to those scho
18-year-old who walked into a classroom and murdered in cold blood more than 20 people, including 19 innocent children. it s unbearable news for many of us, me included. the country is broken. something is wrong here. there is something in our culture that s rotting. we all know something is wrong. fixing it will be hard. i want to be straight with you. the america my kids are growing up in is not the america from three decades agree i grew up in. and guns have nothing to do with why it s different in were guns around back then. the america i group in, real guns and toy guns were woven into our daily lives. i grew up in queens. i jump on my bike and go to liberty park in glendale and i played war with toy gurns all day. a specific friend of mine group around shot guns and rifles. their friends would bring them to school in the back of their trucks in a gun rack right there in the parking lot. parents were paralyzed with fear every time their kids board bus to go to those scho