Historical clue formulations

• Many fast pitches — 2026-05-13
• Practiced pitches — 2026-01-21
• Hucksters have them — 2022-06-03
• Many fast pitches — 2019-01-18
• They're prepared to sell snake oil — 2012-05-04
• What barkers bark — 2010-09-11
• Hucksters' deliveries — 2009-08-15
• Sales pitches — 2007-12-31