Because we know for a fact it was a damn dirty foreigner who did it. We've got the proof somewhere, right Bill O?
And he's got a really weird idea of what the midwest is like. If we didn't have a variety of people around here, we wouldn't have anyone for the racists to hate.
And at the moment, it sure looks a lot like some white guys did this. In addition, a white guy who's a country music singer and celebrity impersonator was the one who was arrested for mailing ricin to the POTUS and a congresscritter.
I think white people need to be banned from public transport. They're scary.