When my most senior boss called me into his office several years ago, my first instinct was: Uh-oh. What did I do wrong? The day before, I had sent out a department-wide e-mail that I clearly did not believe I had the authority to write. I peppered it with phrases like “this is none of my business” or “just my two cents.” When I showed up in his office, my boss — a white, middle-aged man — handed me a printed version of my e-mail. All of my disclaimers appeared in neon highlighter. “Laura,” he said with concern, “one time is OK. But three?” At the time, I was a…