Historical clue formulations

• See 63-Across — 2011-04-05
• Magician's forte — 2006-09-22
• Sideshow spiel — 2004-11-17
• Magician's monologue — 2000-01-08
• Spiel — 1998-12-18
• Salesman's line — 1994-02-12
• Little feet do it — 1993-11-26