Paper Ghosts - The Best Lead, the Best Evidence, the Worst Witness

"Paper ghosts" is CNN Radio's weekly, offbeat look at stories trending on Twitter and Facebook. This week we talk with singer-songwriter Adam Yauch about his " transcendent moment" At Bonnaroo he smoked eight or nine joints before Arcade fire put on a hell of a show. He recalls breaking into a church to see twin shadow opening for James Blake.