Looming over the horizon, an aging ice cream truck with a grinning clown's head on top bounces over the rise and into view.
The bearded, bespectacled driver has the look of a Tibetan explorer who took a wrong turn halfway to Shangri-La. His short, wiry seatmate sports a Zapata mustache and a gaze that leaves no passing female fully clad.
They are Cheech and Chong ... and to those fans for whom they've come to stand for counterculture shock, they have done the unforgivable. They have signed on for a steady gig ... as ice cream vendors....