"...it's been a strange journey for me. This book is as wide-open as I've ever been--the writing as pure as I've ever written...which is a little uncomfortable. Growing pains, i guess. Looking back through the manuscript I was, at times, embarrassed, at times shocked, sometimes indignant, sometime proud...but I've remained, strangely, moved by the book as a whole. I believe very much in this book, and the ambitious things it tries to accomplish."
You can read the entire interview here.