We have long been taught that emotions should be felt and expressed in carefully controlled ways, and then only in certain environments and at certain times. This is especially true when at work, particularly when managing others. It is considered terribly unprofessional to express emotion while on the job, and many of us believe that our biggest mistakes and regrets are due to our reactions at those times when our emotions get the better of us. David R. Caruso and Peter Salovey believe that this view of emotion is not correct. The emotion centers of the brain, they argue, are not relegated...