Historical clue formulations

• Policy maven — 2025-03-10
• Policy nerd — 2025-01-01
• Policy nerd — 2021-12-14
• Policy expert — 2011-06-20
• Policy ___ — 2009-02-04
• Bookish sort, slangily — 2006-12-20
• Policy expert — 2001-01-15
• Quite the bookworm — 1996-09-27
• Grind — 1995-10-08