According to Reuters, the Securities and Exchange Commission is probing former Berkshire Hathaway executive David Sokol, who has been under scrutiny for his trading in Lubrizol, a person familiar with the matter said. The source, who asked not to be named because the probe is not public, said the SEC''s review started before a Berkshire audit committee report released on Wednesday found that Sokol intended to deceive the company in the way he disclosed his interest in Lubrizol.