Warren Buffett — worried about impersonators — says he doesn’t endorse candidates or investments

That's correct. Warren Buffett, the CEO of Berkshire Hathaway, has regularly emphasized that he does not use his position to endorse political candidates or share investment advice. This is to prevent fraudulent practices and misinterpretation of his views by any impostors. With that in mind, always ensure to verify the source of any statements or advice claiming to be from Mr. Buffett.