Thom Hartmann is a progressive nationally and internationally syndicated talkshow host and an award-winning "New York Times" bestselling author of 24 books, including "Attention Deficit Disorder: A Different Perception" and "The Last Hours of Ancient Sunlight", which inspired Leonardo DiCaprio s film "The 11th Hour". A former psychotherapist and founder of the Hunter School, a residential and day school for children with ADHD, he lives in Washington, D.C.