A little part of it in everyone
By 
So now even our Kentucky Derby winner, Medina Spirit, is a junky. This is emblematic of what is happening to our Country. The whole world is laughing at us as we go to hell on our Borders, our fake Presidential Election, and everywhere else!
The only time I can remember anybody spelling it “junky” is the Burroughs novel of that name.
Anyway, favorite songs about addiction:
ETA: Charles Pierce’s comment reminded me of my favorite song in this whole genre: