There are dozen automobile companies. Dozens of airlines. Over a thousand banks. Hundreds of venture capital funds and thousands of mutual funds. There are even two stock markets in the US, and the old rivalries of Coca Cola vs. Pepsi, Visa vs. Mastercard, and Mac vs. PC. But there is just one Berkshire Hathaway. Why? Why after sixty years of near-continuous success is there not just a distant...
