There was a recent New York Times op-ed piece titled "Doctor, Shut Up and Listen." Basically, it took you through a case about a woman who was having symptoms of a rapid heartbeat and feeling "stressed." However, every doctor she saw wrongly referred her for psychological counseling for an anxiety disorder.
If there's one critical tool to becoming an exceptional leader, it's not drive, smarts or even likeability. It's the ability to listen.