As the 45-foot, metallic-gray bus heads northwest on Interstate 76 through Pennsylvania, no one is lying or telling the truth. Sitting on a brown leather couch in the bus' back lounge, the older of the two Avett brothers, Scott, confesses he's holding something back. For all his honesty, working-class background and cackling laughs, he's not budging beyond ambiguity: "It's a big change. We're doing a big thing here. It's the biggest thing of our lives. It's huge. We're really honored ... but I can't go into details yet." Read the full story...