I'm an American citizen, and when I cross into Canada I'm greeted courteously and professionally. I've never been pulled to secondary screening and I've never h

I'm an American citizen, and when I cross into Canada I'm greeted courteously and professionally. I've never been pulled to secondary screening and I've never had a hostile interaction. However, when returning to the United States, even as a citizen (born, not naturalized), I have frequently faced questioning about my social graph, who specifically I have contacted, and things of that nature. I thought it was one dickhead guard in Vermont, but it keeps happening.