It is not illegal to walk slowly through a store. It is illegal to obstruct traffic in the passing lane. The truck driver should definitely be prosecuted, but the Z driver's actions set everything in motion by illegally obstructing the passing lane (assuming the video shows the whole story).
Dustin
"I've contributed alot of good tech help to this site that no one here could have figured out" - JuniorTT 02/15/06