John Avlon: Jack Welch is the paradigmatic business leader of the post-war here in America and I just don't like him. In reading your book, I'll give you my response as someone who's not a financial journalist, not a Wall Street insider. He would have figured out a way to make money in this different environment. But he wouldn't be venerated if we do our counterfactual again and we say we put Jack Welch at 45 at the helm of GE in 2000.Avlon: It depends on how much public adulation his bad behavior receives today. The manager no longer plays the starring role in our imagination. It's now the entrepreneur, the innovator