"This is not, I trust, Narnia," he says dryly. "What leads you to think he would accept the impossible as evidence, rather than taking it for a dream, or an hallucination? They did have drugs, then, you know."
"Perhaps," he agrees, and then gives him a level look. "Would you?"
"Fiscal cunning does not equate to responsibility," he points out. "During the war, I had to hit them over the head with a scaled sledgehammer to stop them accidentally selling highly useful goods to Death Eaters."
He blinks. "...Pardon?"
With a quiet snort at this implication, he declines to take the bait. "Slughorn would never have used it. He enjoyed matchmaking. And... similar. I, on the other hand, prefer a student body that stands half a chance of concentrating on its studies."
They don't seem to have a location in Michigan, and I'm not 100% sure that it's not a seasonal flavor, but you can check here.