I started reading The Green Collar Economy over the holidays. The first time I saw the author -- Van Jones -- speak at Designs on Democracy conference he was a force to behold. Since then, he's been driving a movement toward a complete retooling of the US economy toward "Green Jobs." But, as I read the book, the question remains: Why is it taking so long? If you have questions too, Good Magazine is asking readers to send in their questions to their energy expert.