Fire is the devil's only friend, and he uses it to gain entry to Don's office to tempt him with a "rule breaker"

Don't forget the 666 through the lobby's window. I'm pretty sure that was not there before.

He lost his capacity by going near cold turkey. VERY easy for a recovering alcoholic to fall hard off the wagon.

It's actually a poster by Seymore Chwast, the pre-eminent designer-illustrator of the age and city. Designed many many many archtypical images of that era and the next decade.

Satyr. Goatman, not bullman