You know the moment.The meeting where someone said something wrong and you opened your mouth and then closed it. The email you drafted and deleted. The thing you witnessed that you told yourself wasn't your business, wasn't your place, wasn't your proof. The moment you calculated — quickly, reasonably, in the way that decent people calculate these things — that the cost of speaking was higher than the cost of silence.You made the right call. Probably. You told yourself that...