Master picker Mike Wolfe of "American Pickers"
An archaeologist of antiques, Mike Wolfe has taken viewers on a nationwide scavenger hunt for historic finds via his History Channel series, "American Pickers." But he's not just about buying up the past; he's also helping preserve it, by restoring old Main Street buildings in Le Claire, Iowa, and elsewhere. Lee Cowan talked with Wolfe about his passion for relics of history.