STEVE INSKEEP, HOST:
Good morning. I'm Steve Inskeep. It used to be easy to cross the border between the U.S. and Canada. Today, there's more scrutiny, as Boston area college students now know. Buses took the students on a ski trip in Quebec. On the way back, the buses were stopped. Vermont state troopers cited 26 students for alcohol. In their defense, the drinking age in Quebec is 18, compared with 21 in the United States. But it was harder to explain the drugs that were onboard the buses. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.