Athletes retire, presidents leave office, and musicians lose their voice. Not Warren Buffett. For more than five decades, the CEO of Berkshire Hathaway (BRKA) has sat in the same chair and stuck to the same strategies. But the Oracle of Omaha can't stop time, and this year he'll turn 90. Today on the Readback, Barron's Andrew Bary joins Alex Eule to discuss how Berkshire Hathaway could look after Buffett. Produced by Mette Lützhøft.