As far as tailgators, I prefer to pull over and let them pass, just because it may be an unmarked car.
That crossed my mind as I approached 100....but figured Flatonia couldn't afford what looked to be a brand new unmarked Lexus w/ paper plates.
"Great Britain's a great country, but it's not an idea ... that's how we see [America] around the world, one of the greatest ideas in human history." Bono