mr. mufson. >> host: thanks, good to be here. good to be with dan since i've known him, knowing dan haseen great,m covering energy again now for "the washington post," and there are very few people who, like dan, can really help frame a lot of the big issues in energy and who can tell the narrative of what's really happened. i think that's part of what makes him unusual. and also he has a sort of holistic approach. there are a lot of energy books out there. people often ask me what kind of book to read, and not that many of them are covering all the geopolitics in a broad way like dan is. but there are a couple of questions i wanted to ask. one, a kind of relatively simple one about the book because i know originally you were interested in history, and you wrote your first book was actually about the cold war. what kind of drew you into the energy issue and has kept you in the energy issue for 30 some odd years as opposed to doing something different? >> guest: i think what i discovered about energy is it includes everything. it