Jeffrey Kaye (14 April 2000). "NASA in the Hot Seat". NewsHour with Jim Lehrer. PBS. Archived from the original(transcript) on 26 December 2013. Retrieved 22 April 2009.
Jeffrey Kaye (14 April 2000). "NASA in the Hot Seat". NewsHour with Jim Lehrer. PBS. Archived from the original(transcript) on 26 December 2013. Retrieved 22 April 2009.