http://torontodreamsproject.blogspot.ca/2015/01/sir-john-macdonald-drunk-in-flames.html

"Sir John A. Macdonald wasn't just a charming social drinker; he got the kind of drunk where you find yourself puking on a chair at the Governor General's residence. Or throwing up on stage during a public debate. There were times when he went on benders that lasted for days, too drunk to show up for his official duties. And on a winter night in London, England — right in the middle of the final negotiations over Confederation — it seems to have nearly cost him his life."

Not exactly an example to hold up for secondary school students dealing with peer pressure about drinking and drugs.