For Berkshire shareholders the fresh ideas that probably matter most are those that come out of the company’s core insurance company, National Indemnity. Over the years the insurer has built a worldwide reputation for its willingness to write a policy covering just about any risk, of almost any size (though the company always caps its exposure), if the premium is satisfactory. Figuring the odds on these policies is a joint project of Buffett and Ajit Jain—both eminently suited to the game—and the two sometimes take Berkshire into weird territory. It would require pages to discuss that terrain
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