Michael Wolff "absolutely" spoke with President Trump and feels "in every way comfortable" with his reporting, the author of "Fire and Fury" told NBC's Savannah Guthrie on Friday."Whether he realized it was an interview or not, I don't know, but [our conversation] certainly was not off the record."

"[T]hey all say he is like a child... he has a need for immediate gratification. It's all about him ... This man does not read, does not listen. He's like a pinball, just shooting off the sides." — Wolff on Trump's top aides

More from Wolff's interview on the Today Show: