Regular readers know the background to this story. When I get caught up I will include a few more links. For now, enjoy the story sent in by another reader: how soaring propane exports is (are?) affecting prices, as reported by MarketRealist/Yahoo!Finance.
Excellent article, background, and analysis. If I don't forget I will put in some data points in case the link breaks, but I just got back from being out and about all day and am now catching up.