SEGMENT 1: GUESTS: Del BigtreeBackground Summary: VAXXED “Vaxxed” investigates how the Centers for Disease Control and Prevention (CDC), concealed and destroyed data on their 2004 study that showed a link between the MMR (measles, mumps and rubella) vaccine and autism.  The information was revealed by a whistle-blower inside the CDC, senior research scientist William Thompson. Dr. Thompson has alleged that during …