Jeff's question got me to thinking of a conversation I had with a friend.

When a cop pulls me over, I always roll my window all the way down unless it's ridiculously frigid outside. But a friend of mine only does what the letter of state law calls for -- rolling down the window only a sliver to slide out the documents.

I guess I figure the sliver thing makes them suspicious that you're trying to hide your breath, but I also kind of like the idea of not waiving one of my rights (even if it's only the right to have my window up).

Your thoughts?