Warren Buffett, chairman and chief executive officer of Berkshire Hathaway Inc., eats a Dairy Queen vanilla orange ice cream bar while touring the shopping floor ahead of the company’s annual meeting in Omaha, Nebraska, U.S., on Saturday, May 4, 2019. Buffett’s Berkshire Hathaway agreed earlier this week to make the investment in Occidental to help the oil producer with its $38 billion bid for Anadarko Petroleum Corp. Photographer: Houston Cofield/Bloomberg