Historical clue formulations

• ___ track — 2026-05-16
• ____ track, song that insults another artist — 2026-04-07
• Put-down — 2025-03-30
• Insult, informally — 2024-12-11
• Burn, so to speak — 2024-09-26
• Insult, informally — 2024-09-16
• Trash — 2024-07-07
• "You have a face for radio," for one — 2024-05-19
• Hate on, informally — 2024-04-15
• Denigrate — 2024-04-12
• Insult, informally — 2024-04-09
• Bit of slander — 2024-01-07
• Insult — 2023-07-02
• Talk smack about — 2022-08-14
• What might elicit an "Oh, snap!" — 2022-07-15
• Insult, slangily — 2021-10-08
• Deliver a burn to — 2021-08-30
• Put-down — 2021-01-13
• ___ track (rap song with insults) — 2020-04-28
• ___ track (attack song) — 2019-06-02
• Ph.D. hurdle: Abbr. — 2019-05-15
• Ph.D. requirement: Abbr. — 2018-11-11
• Reqmt. for giving someone the third degree? — 2010-11-05
• Major work in grad sch. — 2008-06-06
• Univ. paper — 2007-10-21
• Ph.D. thesis: Abbr. — 2007-10-08