The lure and lore of LA's checkered past help define the city that exists today. John Buntin, author of LA Noir: The Struggle for the Soul of America's Most Seductive City and Richard Rayner, author of A Bright and Guilty Place: Murder, Corruption and LA's Scandalous Coming of Age, talk with LA Observed's Kevin Roderick about why they both chose to view LA history through the lens of paired opposites.