Bar conversations

Old Cranky Guy: I think we need to start profiling people at the airports.
Me: Oh, so it's "life, liberty, and the pursuit of happiness, except for those filthy Arabs"?
Old Cranky Guy: Hey now, I realize that not all Muslims are terrorists, but 100% of those terrorists are Muslim!
Me: Really? And what religion did Timothy McVeigh belong to?
Old Cranky Guy: Well, Timothy McVeigh wasn't Muslim when he bought all those explosives!
Me: [blinks incredulously]