It never ceases to amaze me how rude and self-absorbed some people are. Remember this, how ever, there are good people as well as a**holes and you obviously came accross one. Then again, perhaps he was dealing with a major problem (like his own personality!?), which, ofcourse doesn't explain his cutting you off, but who knows? Let me assure you, if you flash your lights at me you'll get a wave. Keep smiling....