Elections February 18, 2024 10:10 am Behind-the-scene look into the final debate among California's US Senate candidates Final preparations are underway before the last televised debate for California’s U.S. Senate race. NBCLA’s Conan Nolan explains on NewsConference on Feb. 18,2024. US & World Videos 2:32 One person killed during mid-air collision in Lancaster 1:48 Horse, passenger die on 15 Freeway in Norco 2:21 Search for hit-and-run scooter rider who injured elderly man in Koreatown 0:39 Bridge Fire area hiking trails closed through December 2025 3:06 Records: Graffiti-covered mansion in Hollywood Hills declared ‘nuisance'