Historical clue formulations

• "At the Movies with Ebert and ___" — 2025-03-27
• Onetime Ebert partner — 2018-07-14
• Chicago Sun-Times columnist Richard — 2016-09-16
• Onetime Ebert partner — 2013-02-14
• Richard with a much-used thumb — 2011-09-07
• Critic who's a real thumb-body? — 2010-10-07
• Critic with an opposable thumb? — 2007-03-17