an Invision Productions Limited production in association with Heights Productions, Inc. and WGBH Boston, with the assistance of Lion Television Limited ; produced and directed by William Cran ; written by William Cran, Daniel Yergin ; executive producer, Michael Sullivan
an Invision Productions Limited production in association with Heights Productions, Inc. and WGBH Boston, with the assistance of Lion Television Limited ; series producer, William Cran
American Experience presents ; a Robert Stone Film ; WGBH Educational Foundation ; written, produced, and directed by Robert Stone ; co-produced by Alison Guss