Question: What years did the man who made Sam Keen a subject of a television special in the early 1990s serve as White House Press Secretary?

<P0-S0> Sam Keen (born 1931) is an American author, professor, and philosopher who is best known for his exploration of questions regarding love, life, religion, and being a man in contemporary society. <P0-S1>  He also co-produced "Faces of the Enemy", an award-winning PBS documentary; was the subject of a Bill Moyers' television special in the early 1990s; and for 20 years served as a contributing editor at "Psychology Today" magazine. <P0-S2>  He is also featured in the 2003 documentary "Flight from Death". <SEP> <P1-S0> Claudia Jean "C. J." Cregg is a character played by Allison Janney on the television serial drama "The West Wing". <P1-S1>  The role earned Janney the Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series (2000, 2001) and Outstanding Lead Actress in a Drama Series (2002, 2004). <P1-S2>  From the beginning of the series until the sixth season, she is White House Press Secretary in the administration of President Josiah Bartlet. <P1-S3>  After that, she is White House Chief of Staff until the last episode, when Bartlet's successor is inaugurated. <P1-S4>  The character is supposedly loosely based on Clinton Press Secretary Dee Dee Myers, who served as a consultant to the show. <SEP> <P2-S0> Billy Don "Bill" Moyers (born June 5, 1934) is an American journalist and political commentator. <P2-S1>  He served as White House Press Secretary in the Johnson administration from 1965 to 1967. <P2-S2>  He also worked as a network TV news commentator for ten years. <P2-S3>  Moyers has been extensively involved with public broadcasting, producing documentaries and news journal programs. <P2-S4>  He has won numerous awards and honorary degrees for his investigative journalism and civic activities. <P2-S5>  He has become well known as a trenchant critic of the corporately structured U.S. news media. <SEP> <P3-S0> Eric Schultz is a senior advisor to former President Barack Obama and is the founder of Schultz Group. <P3-S1>  Schultz is a former White House Principal Deputy Press Secretary and special assistant to President Obama. <P3-S2>  Recognized by "Politico" as the strategist “White House officials turn to in a crisis to handle communications,” Schultz was originally hired at the White House in 2011 to respond to Congressional oversight investigations. <P3-S3>  After White House Deputy Press Secretary Josh Earnest replaced Jay Carney to become White House Press Secretary, Schultz was appointed White House Deputy Press Secretary. <P3-S4>  In this role, Schultz often diffuses "tensions with humor. <P3-S5>  But he can be relentless in pushing his message in both public and private conversations.” <P3-S6>  Former White House Communications Director Jen Psaki compared Schultz to fictional crisis manager Olivia Pope, "he's the person you want next to you in a foxhole when there's a crisis." <P3-S7>  At the end of President Obama's second term, former White House Senior Advisor Valerie Jarrett said of Schultz, “We’ve all grown to rely on his wise counsel" and that the President "trusts his sound judgement."