Should USCBP be operating in Canadian airports?

I've long been uncomfortable with the fact that US Customs and Border Protection (USCBP) operates in major Canadian airports like Toronto Pearson. I don't recall when it occurred to me that the idea of USCBP operating within Canada was odd, but I haven't been able to shake the idea. Certainly, USCBP didn't endear themselves to … Continue reading Should USCBP be operating in Canadian airports?