In the movie Dreamgirls, a dramatic moment occurs when the young protégé finally asserts her independence from her manager/husband. She does this in a song entitled "Listen."

People have long acknowledged the power of listening. Doctors detect ailments by listening. Wars have been won or lost because someone heard what the other side was planning, and silence is still golden. In the movie Being There, Peter Sellers was deemed a genius because he showed up and talked a little. What ...