Ken Lewis doesn’t like lawyers. He especially doesn’t seem to like Tim Mayopoulos, his former general counsel at Bank of America Corporation, according to insiders.

But not liking lawyers and not listening to them are two different things. And that raised some key questions for Lewis and the Charlotte-based bank. Such as: In the tumultuous weeks leading up to the bank’s acquisition of Merrill Lynch & Co., Inc., a year ago, what did Mayopoulos and the bank’s outside lawyers advise? And did Lewis listen?