Possible Clues:

• Noted testifier and friend of the Earth?
• Author of "Believing: Our Thirty-Year Journey to End Gender Violence"
• Kerry Washington, in ''Confirmation''
• Memorable Senate testifier of 1991
• *Noted Senate testifier in 1991 (unscramble letters 5 to 8)
• Subject of the 2013 documentary subtitled "Speaking Truth to Power"
• Witness in 1991 Senate hearings
• Notable Senate testifier of 1991