In this episode of Experts on Expert, the Armchair Expert speaks to author and humorist, David Sedaris about behavioral tics, and value of writing without preciousness and his provocative encounters at book signings. David talks about the authors he is inspired by and Dax tells a story about why he can't drink Pellegrino. The two of them breakdown the dilemma of sharing family stories, the current culture of sensitivity and their mutual path to sobriety. David Sedaris -- is the author of Barrel Fever, Naked, Holidays on Ice, Me Talk Pretty One Day, Dress Your Family in Corduroy and Denim, When You are Engulfed in Flames, Squirrel Seeks Chipmunk, Let's Explore Diabetes with Owls and Theft by Finding. He is a contributor to The New Yorker and BBC Radio 4.