directed and written by Bill Cran ; producer, Karin Davison ; executive producer, Susan Mills ; a co-production of MacNeil/Lehrer Productions and Robert Satloff
written, produced and directed by William Cran ; a Frontline coproduction with InVision Productions, Ltd. in association with BBC-2 ; WGBH Educational Foundation
PBS ; produced and directed by Riva Freifeld ; written by Ken Chowder ; co-produced by Amy Brown ; a Riva Productions film for American Experience ; WGBH Boston