Author Kilpatrick Interview on Sokol Resignation

April 1 (Bloomberg) -- Andrew Kilpatrick, author of “Of Permanent Value: The Story of Warren Buffett," talks about the resignation of David Sokol from Berkshire Hathaway Inc. and its impact on succession planning at the company. Sokol bought 96,060 shares of Lubrizol Corp. in early January before recommending that Berkshire acquire the company, Buffett said in a March 30 statement announcing Sokol’s resignation. Kilpatrick speaks with Erik Schatzker on Bloomberg Television's "InsideTrack." (Source: Bloomberg)