Exactly in the 20's the knife wielder would have been Italian or Irish (depending upon who was telling the joke)
In the 50's or 60's it would have been a black wielding the knife
In the 80's a hiv positive crackhead.
Since 2001 it can be nothing but an Islamic Terrorist
I mean you could have used Timothy Macvey but then the redneck would have shook his hand
