Once a dope, always a dope. At least for Zero.
Well, smoking copius amounts of pot do lead to laziness and mental deterioration.
Deterioration: a gradual decline, as in quality, serviceability, or vigor.
I think that fits the President well.
My bet is Sebilious is going to come out and say that smoking pot makes you brilliant and she will cite famous potheads who managed to write a play or two as examples.