Meaning of "trough" -- Trough is the bottom of a transverse wave. And generically means a low point or a place to fill. Venus is related to this meaning. Veins are to be filled, and venusian people are loving. The left is more venusian than the right, hence The Trough--where Heloise helps the great and the small.
Heloise the politico from Blogcritics.org. Physics preacher, blogger, gardener, beach lover, book lover, writer, author.