please give a warm savanna welcome to rob billott. [applause] >> good morning. thank you so much for inviting me here. with t to thank everyone the book festival. this is really an amazing event and i'm honored to be here. it's moving for me to be part of this group and looking through all the otherfolks that are here you are wondering this guy is a lawyer . what's going onhere ? and that's what i want to talk about today is why i ended up writing this oobook exposure and what's the story about and why i believe it's an important story forall of us . you know, i think most of the people in this room have probably heard of flint michigan and the lead crisis, right? i'm curious how many people here have heard of her and polly fluoro alkylated substances. some, okay. i think most of us realize that we turn on the television, we're watching the news. we saw nonstop coverage of the flint michigan lead crisis for good reason. we had contaminated water, drink children drinking that contaminated water. it was on all the news networks what 24 seven coverage. yet what we'