One man’s path to a bigger, more lively and more interactive art experience There’s a 1990 Nissan Pathfinder driving around our region with a matte black finish. A transparent pamphlet display unit hangs from the rear passenger side window. That pamphlet holder is full of chalk, and it’s clear what you’re being invited to do, because others already have. It beckons to you. And you go to it. You follow the instructions of the vinyl signage on the vehicle’s windows asking you to “Chalk My Ride.” Maybe you write a message. Maybe you draw something. It doesn’t matter to the…