Okay. Here's a contrary, 8 ball-blindfolded-off-3-rails, in-the-corner-pocket, what if, prediction because it kind of makes sense:
What if Biff uses marijuana to justify firing Beauregard, XIV? Biff would reverse course on weed and fire him on the basis of "policy differences" (i.e. drugs) if it would, 1. Get him closer to firing Mueller, and 2. Would take the steam out of firing Mueller with lots of Biff's enemies. Enable Moscow West or legalize weed? Lots of people would pause at that trade-off.
Biff needs all the popular support he can get outside of his base. His base will think whatever he or their preacher tells them to think. He needs to "win" and shake something up and so far he hasn't done anything. Pro-liberty, pro business, (good business people can't even use banks!), spin it as making Mexico pay for the wall by saving so much $, etc.