Billionaire David Koch dead at 79 08/23/2019 Ms. G Business, News, US 80 Billionaire conservative icon David Koch has died at age 79, CBS News has confirmed, according to a source close to the Koch family. Sources close to the family say David Koch has died.— Jane Mayer (@JaneMayerNYer) August 23, 2019 Who should be the next senator from California? Katie Porter Adam Schiff Barbara Lee Laphonza Butler ResultsPoll Options are limited because JavaScript is disabled in your browser. Katie Porter 50%, 18 votes 18 votes 50% 18 votes - 50% of all votesAdam Schiff 44%, 16 votes 16 votes 44% 16 votes - 44% of all votesBarbara Lee 3%, 1 vote 1 vote 3% 1 vote - 3% of all votesLaphonza Butler 3%, 1 vote 1 vote 3% 1 vote - 3% of all votesTotal Votes: 36 10/04/2023 × You or your IP had already vote. Vote Katie Porter Adam Schiff Barbara Lee Laphonza Butler × You or your IP had already vote. Results