CNN The Sixties June 23, 2014 05:46:00
>> three days out in the bush, you would be covered with ring worm and jungle rot. it was just the nature of the terrain and the weather. >> it is hot in vietnam. often hotter than the mohave desert. the temperature rises to 120 degrees. >> if we've got two hours sleep a night, i'd be surprised. you're almost in a hypnotic state. >> i'm amazed that these kids didn't just fall apart. humans are really, really tough. >> things are going reasonably well in the south, aren't they? >> yes, i think so. >> what are these men doing? they're trying to locate the enemy. i see it, and they're running the...