A working woman who’s also a wife and mother can often feel like a juggler in a three-ring circus. I was working at a job I loved when I discovered I was pregnant, and I happily applied for a maternity leave to start two weeks before the baby was due. My years on leave with my child were precious, but all too soon it seemed he started nursery school, and happily but with some trepidation about leaving him, I went back to work. (See Stay-at-Home Mom) And then the juggling act would...