"It's the idea," he says, "of 'there's no place like home' and that there is a warm place to cling to—it's a shared memory. Dorothy's ruby red slippers from The Wizard of Oz are back on display ...

His success has inspired fleets of similar trucks, with followings for their sushi, dim sum, Brazilian barbecue, Greek sausages, red ... no apparent effect. Once more, the key turns and the old ...