Once I learned the hard way that employers don’t always protect your confidences. Leaving Big Law 24 years ago, I was surprised to learn that my firm’s name partner knew about my potential offer before I did.Why, you ask? Try good old-fashioned self-interest. Potential future boss disclosed my interviewing status to name partner because they served on a board of directors together.Simply, potential future boss was watching out for himself and didn’t want to upset name partner by stealing a star employee …