Originally Posted by
peachfront
He does have to answer their questions
No, he doesn't. Other than offering his passport and providing any necessary declarations, he is not required to participate in their charades.
Originally Posted by
peachfront
freedom of speech/the right to remain silent doesn't exist when when returning from Canada.
Yes, they do, although people who don't/won't stand up for themselves tend to give the wrong impression.
The abuses won't stop until enough people refuse to participate.