cheers erupting and tears flowing on this history making morning. live pictures now. 33 men been underground. eight of them free. first worker was raised to the surface in a capsule fittingly named fenix for rebirth after 11:00 p.m. eastern last night. >> each of those miners will be undergoing physical and psychological health checks at a field hospital. we've seen them emerge even mario who looked in perfect health after being down there for 69 days still had to get on a gurney and taken to the field hospital just for those checks. they need to be sure that everyone is okay. our next guest is an expert on how people cope with traumatic events. he's a professor of clinical psychology at columbia university. he also wrote the book "the other side of sadness." >> dr. george bonanno joins us on the set this morning. george, when you look at these pictures, when you look at