Berkshire Hathaway owned a significant stake of Salomon. A rogue trader at Salomon broke Treasury rules and the CEO didn't discipline him. The U.S. Government t

Berkshire Hathaway owned a significant stake of Salomon. A rogue trader at Salomon broke Treasury rules and the CEO didn't discipline him. The U.S. Government threatened to bar Salomon from buying U.S. Government bonds which would have destroyed the bank and maybe Berkshire Hathaway. Buffet stepped in and saved the day.