Historical clue formulations

• Author of the 2011 political memoir "My Father at 100" — 2019-04-20
• Former Air America radio host — 2015-03-06
• Liberal pundit with a conservative father — 2010-04-21
• Noted Joffrey Ballet dancer of the 1980s — 2007-05-19
• Host of a short-lived talk show — 1994-02-04