At age 75, Mike Gravel and his wife Whitney used public transportation in 2006 to announce his campaign for the Democratic presidential nomination in the 2008 election.
Notes on verification
Confirmed by multiple independent wire-service-derived reports (NPR, CBS, NBC, Fox) and corroborated by Wikipedia's detailed campaign article; date and age check out. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.7 clusters=3 claim_tier=notable]
Sources
- Mike Gravel, former US senator for Alaska, dies at 91 (seed:politics_and_current_events)
- https://www.npr.org/2021/06/27/1010702706/mike-gravel-former-alaska-senator-and-anti-war-advocate-dies-at-age-91 (corroboration)
- https://www.cbsnews.com/news/mike-gravel-dies-former-senator-alaska-presidential-candidate/ (corroboration)
- https://www.nbcnews.com/politics/politics-news/mike-gravel-former-u-s-senator-alaska-dies-91-n1272463 (corroboration)