Warren Buffett says Greg Abel is his likely successor at Berkshire Hathaway

(Reuters) - Warren Buffett ended long-running speculation about his successor at Berkshire Hathaway Inc by saying Greg Abel, who oversees the conglomerate's non-insurance businesses, would be named chief executive if he were to step down. Buffett, 90, told CNBC that "the directors are in agreement that if something were to...