Seven tricky questions for Mr Buffett

Andrew Hill:

Until this week, only one topic was off-limits for questions to Warren Buffett at Saturday’s annual gathering of Berkshire Hathaway shareholders in Omaha: how serious is the Dave Sokol affair?
On Wednesday, however, the company issued an 18-page report from its audit committee about the former star executive’s trading in shares in Lubrizol, a chemicals group later bought by Berkshire, and declared open season for all questions to Mr Buffett.
Here are my seven:
1. How serious is the Dave Sokol affair?
You are the world’s most famous long-term investor. Recently, Berkshire’s shares have lagged behind the S&P 500, but your record of outperformance over more than four decades speaks for itself. Even big, conservative bets, such as the 2009 investment in Burlington Northern Santa Fe railway, have been well timed. But Mr Sokol was a frontrunner to succeed you as chief executive. You lauded him regularly in your annual letter to shareholders. His abrupt resignation and the circumstances surrounding it seem to suggest that this is more than just a blip.
2. Do you love some of your managers too much?