Buffett celebrates 50th year at Berkshire, defends 3G ties
May 02, 2015 at 12:01 PM EDT
OMAHA, Neb., May 2 (Reuters) - Berkshire Hathaway Inc shareholders on Saturday celebrated Warren Buffett's 50th anniversary running the conglomerate, as the billionaire fielded questions about the company and its future, and explained some business practices.