I guess that could be a function of one's discipline. I was a mathematician, so there were very few attempts at time-wasting and being tangential (and when ther

I guess that could be a function of one's discipline. I was a mathematician, so there were very few attempts at time-wasting and being tangential (and when there were, a quick "That's a great question, but it's a bit far afield from what we need to cover right now. I'd love to discuss it during office hours, though" would defuse the situation).