Cory Booker was previously the mayor of Newark, New Jersey.
Notes on verification
Confirmed by official Senate biography and corroborated by Biography.com and CNN; consistent, well-documented biographical fact. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=1.0 clusters=2 claim_tier=everyday | kind=empirical eligibility=high]
Sources
- US Senator Cory Booker makes history with record speech aimed at Trump | Politics News | Al Jazeera (seed:politics_and_current_events)
- https://www.booker.senate.gov/about-cory (corroboration)
- https://www.cnn.com/politics/cory-booker-fast-facts (corroboration)