If Bush has depression that is responsive to medications, then I hope he is on them. I can think of no anti-depressants in current use that could reasonably described in the hyperbolic language used in this article.
I will let someone else respond to the idea of “dry-drunk” behavior. I will, however, respond to this:
Pure, uncut bullshit. A history of chemical dependency is not a contraindication to treatment with modern anti-depressants.
As for Capitol Hill Blue, I will always remember them as the source for the story that Clinton did not complete his studies at Oxford because he raped a woman there. Their single source was a guy who had been a janitor there at the time.