produced by Joseph McMaster, Gary Johnstone, Vanessa Tovell ; directed by Gary Johnstone, Joseph McMaster ; written by Joseph McMaster ; a production by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company
a Frontline co-production with Hedrick Smith Productions ; WGBH Educational Foundation ; Frontline executive producer, David Fanning ; senior producer, Hedrick Smith ; producer, Marc Shaffer ; written by Hedrick Smith and Rick Young ; director, Rick Young