Historical clue formulations

• Old pal — 2021-08-01
• Old pal — 2020-03-19
• Political bosom buddy — 2017-08-23
• Favor-seeking sort — 2015-10-23
• Old pal — 2012-03-13
• Old pal — 2012-03-06
• Bosom buddy — 2010-01-04
• Intimate — 2008-02-01
• Old pal — 2007-03-12
• Sidekick — 2002-03-24
• Back-room fellow — 1994-09-11