reasons, i should say, at the time that it was probably starting to come up a lot is because jenny mccarthy had just come out i think with a second that now her for books, focusing on her belief that the measles-mumps-rubella vaccine had either caused or triggered her son's autism and -- i have to be very careful with how i say this but her story has not been entirely consistent over the years. i started looking into it and i spent most of the last three years reading scientific studie, interviewing parents, parents whose children had died of vaccine medical diseases, parents whose children were very severely affected by autism, scientists, doctors, public health officials, activists and i also read what ended up to be thousands and thousands of pages of court appearances for an ongoing series of trials on this issue. and at the end, it seemed really very clear to me that this wasn't a case where there was a legitimate debate that i felt about where the evidence actually lay. this was the situation in which there was an overwhelming amount of evidence on one side, and a tiny number of discr