CNBC: Rob Berridge owns Berkshire Hathaway stock, mindful at just a young age of the clear-sighted business savvy that defines Warren Buffett: His best friend's father was one of Buffett's closest pals at Wharton School of Business and Columbia University.
But Berridge, now director of shareholder engagement at Boston-based Ceres--which advises institutions like BlackRock on sustainability issues--argues that one of Buffett's signature gifts seems to disappear when the issue is climate change.
"One...