I'm sure you've been there.  You're driving down the road, paying attention to the speed limit while somebody tailgates you all the way down the road.  It can be irritating, but it's even worse when that person decides to pull along side you and flips you the bird.

However, I bet you'd feel better if that tailgater got a little instant karma as this gentleman did.  Of course there's two sides to every story, but neither side appears to be talking much.  At least nobody got hurt, and hopefully lessons were learned on both sides.  Take a look at this report from CNN.