Historical clue formulations

• Show indecision — 2026-02-14
• Show indecision — 2025-05-26
• Not be steadfast — 2018-09-21
• Vacillate — 2015-03-16
• Sing vibrato, say — 2010-09-04
• Go back and forth in deciding — 2010-01-11
• Not stick to one's guns — 2009-05-29
• Be unsteady — 2005-07-18
• Have second thoughts — 2004-08-05
• Be indecisive — 2004-07-19
• Be uncertain — 2002-10-16
• Vacillate — 1999-07-05
• Seesaw — 1997-02-09
• Vacillate — 1995-12-12
• Flutter — 1994-01-26