crowd grew larger. inside peering through the curtains was a young kgb lieutenant colonel named vladimir putin. >> he was terrified that they were going to storm the building. >> putin was a junior officer, but the boss was away. he was in charge. >> the berlin wall had come down. police weren't going to help and he called for instructions. >> desperate for help putin dialed kgb headquarters in moscow over and over again. >> finally one official told him simply moscow is silent. >> and i think it felt like a deep betrayal to him. >> vladimir putin was on his own. he went down into the bowels of