Nati Harnik/AP
- Warren Buffett's Berkshire Hathaway revealed a raft of leadership changes on Monday.
- Todd Combs is leaving, Marc Hamburg will retire, and Berkshire is hiring its first general counsel.
- Berkshire gurus broke down what the moves mean and warned of more departures as Buffett prepares to retire.
Warren Buffett's Berkshire Hathaway announced its




