Historical clue formulations

• Bugs Bunny is often holding one — 2024-03-25
• Metaphorical incentive — 2021-01-15
• Snack for Bugs Bunny — 2019-10-07
• Stick : punishment :: ___ : enticement — 2016-08-01
• Stick : punishment :: ___ : reward — 2016-02-23
• Dessert often made with cream cheese frosting — 2014-10-09
• Stick's partner, in an idiom — 2013-03-06
• Incentive — 2005-05-12
• Rabbit's treat — 2003-06-23