Historical clue formulations

• Pats on the back, maybe — 2014-06-03
• Oral reports? — 2013-08-23
• Pats on the back, maybe — 2013-06-09
• Consumer reports? — 2010-08-22
• Pats on the back? — 2007-02-04
• Pats on the back, say — 2000-05-08