the rockfall. said to find out exactly where those rocks came down. >> park officials said they would not allow people in if they did not think it was safe. julie: the head of the u.s. air force academy putting all 4,000 cadets on notice that racism will not be tolerated. >> if you can treat someone from another race or a different color skin with dignity and respect, then you need to get out. grabher your phone in videotape this to you have it and can use it. so we have the moral courage to gather. >> key gathered cadets and faculty to deliver the