Historical clue formulations

• Bid at the last second — 2020-08-29
• Made snide verbal attacks — 2020-05-18
• Made a petty verbal attack — 2017-11-02
• Took potshots (at) — 2016-12-22
• Took potshots — 2015-03-09
• Attacked verbally — 2014-11-22
• 1-Across surreptitiously — 1999-12-11
• Shot from cover — 1996-01-26
• Shot (at) from the sidelines — 1995-04-26