“How many deaths are enough to justify something as being a benefit?” That’s exactly what director/producer Kendall Nelson asks in her new documentary. Bringing three tragically affected families’ stories to light, The Greater Good tells how childhood vaccines (medication that is supposed to be good for these children) are nowhere as safe as they were led to believe. Headlining The Greater Good is 16 year old Gabi Swank. After seeing commercials for the drug Gardasil, she wanted to be protected against the possibility if cervical cancer. But all too soon did this “fast tracked” drug wreck her life and that of her family as well. Gardasil (like other market ready vaccines)…