Latest update: 26/07/2011
'Confessions of a Prairie Bitch'
Invade and conquer: a thousand space invaders in the city of light. Also: he's New York's most prolific street artist - we meet the man who's made the Big Apple his infinite canvas. Plus, "Confessions of a Prairie Bitch" - Alison Angrim, aka Nellie Olsen from "Little House on the Prairie", joins us in the studio.