If your point is that Carl Sagan may not be the foremost authority on nuclear winter, I think it's already been made (though, that is an interesting catch). I

If your point is that Carl Sagan may not be the foremost authority on nuclear winter, I think it's already been made (though, that is an interesting catch). I have no ability to speak on that subject, I was merely pointing out that I find it misleading to suggest that firestorms have been shown not to cause climate effects when the opposite is also true in some instances.