Yes. Every time I enter the United States, I'm asked very specific questions about why I lived a year in Canada. I have never lived in Canada, but my very unique name (Michael Roberts - just try Googling me) obviously leads to considerable suspicion.

And they don't ask it like, "Oh, you lived in Canada, what was that all about." They very specifically are questioning my loyalty. Their attitude says if they were legally allowed to deny me entry, they'd love to.