This week’s HV cast is “Pedestrian Fanatic” (mp3) by Abner Serd: The paving of America as seen from the shoulders and sidewalks of our country’s roads. Musings-in-motion recorded during a 5000 trek from Arizona to Georgia to Maine. “It is becoming illegal to travel this country by foot.” Music by Jeff Arntsen of Racket Ship. (9:55):