"The state of the world makes it difficult to look on the bright side. If there is a bright side perhaps it is that we have come to see the virtues of previously taboo emotions such as anger, sadness, anguish, anxiety, and grief. According to philosopher Mariana Alessandri, we're beginning to see that they are not evils to be avoided but valuable and sometimes even productive states. Many of us are coming to see that our darker feelings have something...